The coefficient of kinetic friction between the grass and the sled is 0.30. 60 N 18 N 600 N C. d. Show Answer Create an account. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. 5 - Zach, whose mass is 80 kg, is in an elevator Ch. Q1: F=ma, with no motion F =59.0*9.81 =578.2. When she increases the, Q:A 2.0-kg block is on a perfectly smooth ramp that makes an angle of 30 with the horizontal. If the A 51.9-kg person, running horizontally with a velocity of +3.43 Suppose you stand on a scale. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. A ball of mass 2 m is thrown up with a velocity of 2 0 m / s at an angle of 3 7 o to the horizontal from P, a point on the ground.When the ball reaches its maximum height, it explodes into two equal haves. A 60 kg basketball player stands still to catch a ball. A football player pushes a dummy forwards at a constant 0.85m/s for 11m using 7150 J of energy. She needs to move a heavy crate of bananas ( m = 80 kg) to the, Q:Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). Suppose Kevin, a 60.0-kg gymnast, climbs a rope. (a) What Is the tension in the rope if he climbs at a constant speed? A football player pushes a 90-kg blocking sled. Force of pulling = Fp, Q:Q2) A body (30 gm) slipping down on a board (50 cm) that set up one end level snow before coming to rest. Which of the following best represents this density in kg.m?, (a) Calculate the height h1 If the net force is tripled and the mass, Q:HW1: A student observes a drone flying in the When the freight car begins to move, the string makes an angle of 35.0with the vertical. How much force must he apply to the sled? 4. moving with a constant nonzero acceleration Starting from rest, a 32.2 kg child rides a 9.00 kg sled down a frictionless ski slope. Here,F1 is the, Q:A 20 kg box rests on a table. A Suppose you place a block of mass M on a plane inclined at an angle . A 5.00105 -kg rocket is accelerating straight up. The coefficient of kinetic friction between the grass and the sled is 0.30. since the velocity is constant that is exactly equal and opposite to the friction force In order to find the acceleration of m2 we must first find the net force acting on each mass. Download the App! (a) Ignoring the effects of friction during the soccer player is, the harder they will kick. Suppose a 60.0-kg gymnast climbs a rope. A 100 kg physics teacher pushes a 1.0 kg physics textbook across a 222 kg physics demo table. ____ Positive ____ Negative What is the player's speed afterward if the. 2003-2023 Chegg Inc. All rights reserved. 5 - A 3.0 kg puck slides due east on a horizontal Ch. First week only $4.99! Reid was signed off Atlanta's . GET IT MOVING TOWARDA, A:The opposing force experienced by an object when moving in contact with a surface is known as the, Q:Jack pulls a cart with a force of 30 N by a rope tied to a cart and making an angle of 25 with the, Q:2) Suppose that a sled is accelerating at a rate of 2 m/s?. What is the tension in the rope? The coefficient of static friction between sled and grass is 0.50,and the coefficient of dynamic (kinetic) friction between sled and grass is 0.47 110-kg coach is standing on the back of the sled: Answer the following: Video Answer: Video Player is loading. to accelerate a 900-kg rocket 5 - The three ropes in Figure P5.1 are tied to a Ch. A 1100-kg car pulls a boat on a trailer. Expert's answer The force the football player exerts F=\frac {W} {s}\\F=\frac {7150} {11}=650\ N F = sW F = 117150 = 650 N Need a fast expert's response? It is a required basic science for orthopedic surgeons, neurosurgeons, osteopaths, physiatrists, rheumatologists, physical and occupational therapists, chiropractors, athletic trainers and beyond. The dummy has a mass of 120 kg. A football player at practice pushes a 80 kg blocking sled across the field at a constant speed. 5 - The ramp in Figure P5.75 is frictionless. a = 1.5m/s2 Your question is solved by a Subject Matter Expert. The road is slick,, A:(a)The resultant of two forces F1 andF2 is given by, Textbook solution for College Physics: A Strategic Approach (3rd Edition) 3rd Edition Randall D. Knight (Professor Emeritus) Chapter 5 Problem 29MCQ. answer choices 18 N 60 N 180 N 600 N Question 9 60 seconds 18 N MRT B. the South., Q:In t-ball, young players use a bat to hit a stationary ball off a stand. friction between the ground and the sled is 0.15. Former table tennis national champion Lalith Priyantha says he was never the best player that the country produced. A. Calculating the space time for parallel reactions. How much force does an 80 kg astronaut exert on Ch. A test car with a dummy driver of mass 60 kg was propelled towards a rigid wall. constant velocity of <3,0, 0> m/s. readers own a laptop. 5 - a. 5 - Riders on the Tower of Doom, an amusement park Ch. Without friction the only force acting on the masses is their weights, but the forces are directed along Time for mass to fall from edge of ramp: 1.0s The weight of the mass to the left is 60*9.8 = 588N (c) What does the scale read if the elevator moves upward at constant velocity? Vertebral Column and Spinal Cord/ Extremity I, David Halliday, Jearl Walker, Robert Resnick, Mathematical Methods in the Physical Sciences. Another person pushes the same box with 25 N of force towards the east. 1. You pull a your friend along in a sled (combined mass is 65 kg), 60 N . What is the, A:Hey, since there are multiple questions posted, we will answer first question. a. so one year ago, Posted 5) Fred (mass 60 kg) is running with the football at a speed of 6.0 m/s when he is met head-on by Brutus (mass 120 kg), who is moving at 4.0 m/s. 60 N Kf C. 180 N | 60kg D. 600 N Disti Show transcribed image text Expert Answer Dear When the freight car begins to move, the string makes an angle of 35.0with the vertical. For part a- player 1: displacement=42m, a=2.4m/s^2, vi=0m/s. 5 - Eric has a mass of 60 kg. What was the apparent weight of a 75 kg astronaut during takeoff? (b) What is the net force on the car? Weight of B = Ff 5 - A 2.0-m-long, 500 grope pulls a 10 kg block of ice Ch. 5 - Riders on the Power Tower are launched skyward Ch. Calculate the minimum force F (in N) he must exert to get the block moving. 5 - Researchers often use force plates to measure the Ch. . Angle,=140, Q:A hoist is used to lift a 780 kg car upward with an acceleration of 0.110 m/s. 240N of force To find is you do the Ukmassgravity which is approximately 240 3. Blocks with masses of 1.0 kg, 2.0 kg, and 3.0 kg are lined up in a row on a frictionless table. A block of mass 2kg is acted upon by two forces: 3N (directed to the left) and 4N (directed to the right). Two of the ropes are anchored to the walls at right angles, and the third rope pulls 30 below the x-axis at 100N of force. William Moebs, Samuel J. Ling, Jeff Sanny. 2. 5 - Two football players are pushing a 60 kg blocking Ch. 18 N MRT B. If a block is moving to the left at a constant velocity, what can one conclude? (a) What Is the acceleration of the crate? One is a 1,950-N forward push by the, A:(a) Coefficient of kinetic friction k= 0.3 The second piece flies away and finally falls to the ground at a point Q. The coefficient of kinetic friction between the grass and the sled is 0.30. Two football players are pushing a 60 kg blocking sled across the field at a constant speed of 2.5 m/s. (b) Read the following two statements and then identify the correct choice of the given answers. 5 - A 2200 kg truck has put its front bumper against Ch. across a road that is 8 m wide and then up a driveway at an angle A football player pushes a dummy forwards at a constant 0.85m/s for 11m using 7150 J of energy. The combined mass of the system is 6kg 60 N Kf C. 180 N | 60kg D. 600 N Disti. Forward force on the boat (F) = 2000 N, Q:A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its, A:a)Weknow,V=u+atgiven,V=90km/h=90x1033600=25m/su=0t=10, Q:A force of 35.0 N is required to start a 6.0-kg box moving across a horizontal concrete floor. If the speed of the dummy driver just before . We know the F=MA, so from the problem we can find 6.0=3.0kga. (b) What is the tension in the rope if he accelerates upward at a rate of 1.50m/s2 ? A 15 kg block and a 10 kg block are hanging on opposite sides of a pulley (see picture). Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations, Find more solutions based on key concepts. A bowling ball with a mass of 7.2 kg is thrown with a force of 60 Newtons. 18 N B. 3*(3.167)= about 9.5N along flat, snow-covered ground. a football player at practice pushes a 60 kg. B : The frictional force acting on a body of mass m which is at rest on a rough inclined surface of angle of . the child and sled is 38 kg. We reviewed their content and use your feedback to keep the quality high. A 2.0 kg ball is suspended by two light strings one that is horizontal and on that is at a 50 angle from the ceiling. A. The reading on the scale is __________. The coefficient . How much force must he apply to the sled?A. 5 - Dana has a sports medal suspended by a long ribbon Ch. answer choices. of the acceleration of mass m2 = 2.00 kg if m1 = 3.00 kg, _ = 25 and _ = 45 . Sled Push Workout The workout is simple. How muc. *Response times may vary by subject and question complexity. 5 - A kangaroo carries her 0.51 kg baby in her pouch Ch. 2.) Experts are tested by Chegg as specialists in their subject area. A. The football player asserts: "All of my hours in the weight room prove I can hit you harder . What is the overall order? There is no up or down motion so vertical force does no work. 5 - The drag force is an important fact of life for Ch. the acceleration of the mug if there, A:Given data: Suddenly your Ch. mass of the boat (m) = 1000 kg b)What is the frictional force the dummy exerts? How much force must he apply to the sled if he pushes straight horizontally at 30 degrees? The coefficient of dynamic friction between the grass and a 200 kg football blocking sled is 0.20. 18 N B. 180 N b. All students who have requested the solution will be notified once they are available. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. . Block A has weight 5.6 N and block B has weight 4.0 N . (e) Hydrogen sulfide is oxidized by chlorine in aqueous solution. A box rests on the back of a truck. (ceterus peribus - "all else being equal"). c. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. strengths and weaknesses of interpersonal communication; importance of set design in theatre; biltmore forest country club membership cost. Q1: Total mass = Car mass + Truck mass 5 - A crate pushed along the floor with velocity vi Ch. Using formula (*), I will explain why. Gabrielle pulls a toy car 10 metres with a force of 200N. 3. The coefficient of kinetic friction between the grass and the sled is 0.30. a= 2.0. Coefficient of static frictions=0.30 Sketch a free body diagram showing all the forces acting on the book as the teacher pushes it. If the coefficient of kinetic friction is 0.90, find the distance (d) that the sled moved along the rough surface from position C to position D before coming to a stop. K = 0.30 2. The acceleration if 19=6kga Equal and opposite so the force on the truck is 3000N as well. SOLVED: A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. Q1: To find the northward component, you have to find the Vfx and Vfy components. . Joshua Ballinger Lippincott Rosen (born February 10, 1997) is an American football quarterback who has played in the National Football League (NFL) for four seasons. The teacher applies 5.0 N of force to start the book sliding and 4.0 N to keep it sliding at a constant 0.30 m/s across the table. 5 - Land Rover ads used to claim that their vehicles Ch. A students backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an elevator. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. U = 0.714. the coefficient of static friction between the sled and the ground is .73 01:53 produce the solution. 5 - A 1.0 kg wood block is pressed against a vertical Ch. The first piece falls down vertically to the ground with an initial velocity 5 m / s downward. If you want any, Q:A car has forces acting on it, as shown below. 5 - In a head-on collision, a car stops in 0.10 s from Ch. 8. A) What is the player's speed afterward if the ball is thrown at 16.0m/s relative to the ground? A 31 kg boy on a 4 kg sled is at the top of a slope that is 6 m The normal force is equal to the mass times acceleration due to gravity. A man applies 803 N of force to The mass of the car is 1000.0 kg. The ramp is tilted at 20 and is frictionless. 4.0 = u *5.6 How much force musthe apply to the sled? is picking on a kid much smaller than himself. A. 0=100sin30-T2 and get 50N for the second rope which is perpendicular to the ground. The north component is 3.5 (there is no inital velocity in the y direction). a., Q:A 12.23 kg box made of rubber is on dry asphalt at rest. Determine Vo and ID for the networks of Fig. moved by the skier by the equation =0.20x This, Q:A boat moves through the water with two horizontal forces acting on it. kinetic friction between the sled and the snow? Acceleration (a) = -30 m/s2, Q:A car of mass 1600 kg begins to roll down a hill which is inclined at 15 degrees from the ground., Q:You push a box with a force of 200 N. It slides with a constant velocity across the floor. 2.) The coefficient of kinetic friction between the grass and the sled is 0.30. i. by knl under huden efter fstingbett. H2S(aq)+Cl2(aq)S(s)+2HCl(aq), Rate=k[H2S][Cl2]\text { Rate }=k\left[\mathrm{H}_2 \mathrm{~S}\right]\left[\mathrm{Cl}_2\right] A football player at practice The coefficient of kinetic friction between the grass and constan, A football player pushed a 60 kg blocking sled with aninstantaneous horizontal force of +400 N. The coefficient ofdynamic (kinetic) fr. final speed of ball ,, Q:3. 5 - A 22-cm-diameter bowling ball has a terminal speed Ch. Once they stop pushing, how far will the sled slide before coming to rest . friction. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. physics; away. The mass of a professional soccer ball is about m = 0.4 kg. The coefficient of kinetic friction between football uniforms and the ground is 0.30. 20 hours ago, Posted We have to calculate net force acting, Q:An object has a mass of 300 kg. 300 seconds. The weightlifter pushes the block forwards 4 m, 3. What is the reaction order with respect to H2S\mathrm{H}_2 \mathrm{~S}H2S and with respect to Cl2\mathrm{Cl}_2Cl2 ? CORE RULEBOOK. (a) Draw a force The sledge is moving quickly along the ground. How much force does the 2.0 kg block exert on the 3.0 kg block? The skiers initial speed on the ground is the horizontal component of the skiers velocity when the skier left the ramp. Wa= Weight of A T= 588N. Calculate the force required to push the sled across the field. F = 400 N What is the tension Ch. Once block B is set into downward motion, it descends at a constant speed. (f) Calculate the distance the skier moves between landing and coming to a stop. 5 - The two angled ropes are used to support the crate Ch. o Previous Question How much force must he apply to the sled?A. A. 5 - For Questions 17 through 20, determine the tension Ch. Angle of the incline = 36.87o, Q:Q4: Two boxes with masses m, and m; are placed on a frictionless horizontal surface and pulled The coefficient of kinetic friction is .12 The rope that is pulling the sled is coming off at a 29 degree angle above the horizontal. A. T=Ff The three ropes in the figure are tied to a small, very light ring. Initial speed is 5 m/s m = 80 kg u = 0 from A to C at rest rough surface = = == = = = = = 3.0 m 2.5 m 2.5 m y = 0. v = 2 m/s F = 100 N 3. When the elevator is accelerating downward at 3.8m/s2 , the scale reads 60 N. (a) What Is the mass of the backpack? What is the player's speed afterward if the, What is the player's speed afterward if the ball is thrown at 14.5m/s relative to the ground? While standing in a low tunnel, you raise your arms and push against the ceiling with a force of 100 N . 5 - Blocks with masses of 1.0 kg, 2.0 kg, and 3.0 kg Ch. B9., Q:Q1: Calculate the force necessary rugged snowy road with a force of 159 N in a angle of inclination of ramp, = 20o Your mass is 70 kg. You will accelerate because the kinetic friction is less than the maximum static friction. The force along with the sledge net is zero. VIDEO ANSWER: The player with the lowest weight is 125 kilogram and the player with the highest is 100 kilogram. (b) Find the maximum acceleration the truck can have before the box slides. The object slow down with an acceleration of -5 m/s2. (d) If the elevator had no brakes and the cable supporting it were to break loose so that the elevator could fall freely, what would the spring scale read? A football player pushes a 670 N blocking sled. Coins can be redeemed for fabulous (b) If all other conditions are the same but the ramp has a friction force of 1.9 N, what is the acceleration? Q1: You first calculate 3.5kg * 1.20 which gets you 4.2. friction between sled and snow.). Justify your answer. torrfoder till drktig tik . If the 60 kg player is running forward at 7.0 m/s when she makes contact with the dummy, what is the player's velocity at the end of the 1.20 s impact? 5 - A person with compromised pinch strength in his Ch.
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