A 47.0 kg boy stands on a sled that is stopped in the middle of a frozen pond. The boy jumps horizontally off the sled with a velocity of 2.40 m/s. The sled moves in the opposite direction with a velocity of −11.1 m/s. What is the mass of the sled?

Q: On a very muddy football field, a 120 kg linebacker tackles an 80 kg the linebacker is slipping with…

A: Given: ML=120KgVL=8.6 m/s towards north=8.6 j ^ m/sMH=80 KgVH=7.3 m/s towards east = 7.3 i^ m/s

Q: This time, your mass is 92.8 kg and the sled s mass is 23.2 kg. You re on the sled, initially moving…

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Q: A football player kicks a 0.41-kg football initially at rest; and the ball flies through the air. If…

A: Given that,mass, m=0.41 kgtime, t=0.051 sinitial speed, vi=21msfinal speed vf= 0

Q: An amateur golfer swings a golf club, striking a golf ball that has a mass of 55.0 g. The club is in…

A: Write the expression for the magnitude of the average force on the ball

Q: A 735 kg car moving at 17.3 m/s hits from behind another car moving at 9.2 m/s in the same…

A:

Q: A 0.5 kg stationary ball is struck by a 25 kg mallet and leaves the collision at 22 m/s. If the ball…

A:

Q: A bullet with mass 0.020 kg collides inelastically with a wooden block of mass 2.5 kg, initially at…

A: This is a case of inelastic collisionWe will apply the principle of conservation of linear…

Q: Two balls are moving in different directions and at one point they collide and stick. the mass of…

A: According to the conservation of momentum, the velocity of the balls after the collision can be…

Q: A 1,000-kg car is initially traveling due east at 26 m s when it collides with a 2,000-kg truck that…

A: Given:mass of the car, m = 1000 kgintial velocity of car, u = +26 m/smass of the truck, M = 2000…

Q: This time, your mass is 91.4 kg and the sled s mass is 19.1 kg. You re on the sled, initially moving…

A: Given that:- Mass of man=91.4kg Mass of sled=19.1kg

Q: On a very muddy football field, a 120 kg linebacker tackles an 80 kg halfback. Immediately before…

A:

Q: A blue ball of mass 0.350 kg traveling at 2.60 m/s to the left collides with a red ball of mass…

A:

Q: =. A train car with a mass of 3.0 x 104 kg is traveling east at 3.0 km/h collides, and links, with…

A: Given The mass of the first train is m1=3×104 kg. The velocity of a first train is v1=3 km/h.  The…

Q: A professional golfer swings a golf club, striking a golf ball that has a mass of 55.0 g. The club…

A: According to Newton’s 2nd law, force is the rate of change in momentum.

Q: A women with the mass 101 kg is standing on a cart with the mass of 351 kg. He jumps off the cart at…

A: Mass of Women is m = 101 kg  Mass of the cart is M = 351 kg  Speed of women relative to the car is V…

Q: Two vehicles of masses m1 = 8000 kg and m2 = 82 x 100 kg undergo collision such that they travel…

A: The given data are: m1=8000 kgm2=82×100 kgu1=10 m/su2=-9 m/s Here, u1 denotes the velocity of the…

Q: If two rail cars crash together and hook up with each other, what will be the final velocity of the…

A: Given Car 1mass m1=52000 kgInitial velocity u1=0.15 mphCar 2mass m2=72000 kgInitial velocity…

Q: In baseball, the pitcher thrusts the ball 145 g towards the batter at a speed of 30 m/s. The batter…

A:

Q: A man with a mass of m1 =75kg running at a speed of υ1 =7.2km/h catches up with a cart with a mass…

A:

Q: In an inelastic collision between two objects with unequal masses, A a. the total momentum of the…

A: inelastic collision: momentum of system is conserved kinetic energy of system is not conserved

Q: A golf pro swings a golf club, striking a golf ball that has a mass of 55.0 g. The club is in…

A:

Q: Two rocks collide in outer space. Before the collision, one rock had mass 13 kg and velocity m/s.…

A:

Q: A car of mass 1000.0 kg moving at 20.0 m/s collides with a 5000.0 kg truck at the initial velocity…

A: Given, mass of the car, m = 1000.0 kg velocity of the car before collision, u1 = 20.0 m/s mass of…

Q: A 328 kg car moving at 19.1 m/s hits from behind another car moving at 13.0 m/s in the same…

A: Answer:- (A) 14.0 m/s Given  Mass of first car(m1) = 328 kg   Velocity of first car before Collision…

Q: A 7500 kg train moving at 1.5 m/s collides with and couples with a 2500 kg carriage. What is the…

A: Given: Train mass, mt=7500 kg Train velocity, vti=1.5 m/s Carriage mass, mc=2500 kg

Q: A rifle of mass 4.0 kg fires a 14.0 g bullet.  If the bullet travels at a velocity of 1,000.0 m/s,…

A:

Q: An amateur golfer swings a golf club, striking a golf ball that has a mass of 55.0 g. The club is in…

A: Force is given by the formula, F=ma Here, m is mass and a is acceleration. Acceleration can be…

Q: A 53,000-kg rail car is moving at 2.80 m/s as it approaches a conveyor belt. As it passes under the…

A: Given Data : The mass of the rail car is given as m1 = 53000Kg. The velocity of the rail car is…

Q: Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg…

A: Given:            mass m1 = 45kg            mass m2 = 60kg               v1         = 0.375m/s…

Q: A 10.50-g bullet is fired into a stationary block of wood having mass m = 4.980 kg. The bullet…

A: When there is no external force involved then the total momentum of the system remains conserved.…

Q: A football player kicks a 0.41-kg football initially at rest; and the ball flies through the air. If…

A: ball's speed after it is hit=> v=  21 m/s initially the ball was at rest, therefore u=0 m/s…

Q: A soccer ball of 4.40925 (2 kilosg) pounds moves to the right a speed of 0.5 m/s.  Hits a 0.1102311…

A:

Q: A student of mass m=45 kg runs at a velocity vi=1.54 m/s before jumping on a skateboard that is…

A:

Q: A 2210 kg car experiences an impulse of 20,000.0 N · s during a collision with a wall. If the…

A:

Q: A warehouse employee is pushing a 30.0 kg desk across a floor at a constant speed of 0.50 m/s. What…

A: Given: The mass of the desk is 30.0 kg. The velocity of the desk is 0.50 m/s. Introduction: The…

Q: A 10.1-g bullet is fired into a stationary block of wood having mass m = 4.90 kg. The bullet imbeds…

A: mass of bullet, m = 10.1 g  mass of block, M = 4.9 kg  velocity after collision, v = 0.597 m/s

Q: A ball has a momentum of 12.3 kg.m/s to the right. It then collides with another stationary ball.…

A:

Q: A ball has momentum of 16kgm/s when the ball is rolling at 2m/s. What is the mass of the ball?   A.…

A: Momentum is given by  p = m v where, m is the mass and v is the velocity.

Q: A 75.0-kg paint cart with rubber bumpers is rolling 0.965 m/s to the right and strikes a second cart…

A:

Q: A 4900 kg open train car is rolling on frictionless rails at 18.6 m/s when it starts pouring rain. A…

A:

Q: Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg…

A:

Q: Before collision, there are two objects. 1st object M1 = 8 kg V1 = 3m/s 2nd object M2 = 4 kg V2 = 0…

A:

Q: A 0.625 kg basketball is thrown across the court at a speed of 5.6 m/s.What speed must a 0.490 kg…

A: Apply conservation of momentum   Initial Momentum = final momentum

Q: An amateur golfer swings a golf club, striking a golf ball that has a mass of 55.0 g. The club is in…

A: Given information:The mass of the ball (m) = 55.0 g = 0.055 gThe initial velocity of the golf ball…

Q: A white ball of mass 1.0 kg moving at 10.0 m/s collides with a 1.2 kg red ball initially at rest.…

A:

Q: Some movers are pushing a cabinet into a room with a force of 297 N over 10.34 seconds. What is the…

A: Given in question - Force(F) = 297 N                                   Time taken(∆t) = 10.34 sec To…

Q: A 1,500-kg car is traveling due east at 20 m/s when it undergoes a perfectly inelastic collision…

A: Given data: The mass of cars are, m1=1500 kgm2=3000 kg The velocity of cars are, v1=20 m/si^v2=15…

Q: A 100-kg machine gun fires a 0.5-kg bullet with a velocity of 400 m/s relative to the ground. What…

A: