Two people stand facing each other at a roller skating rink then push off each other. a). What is the momentum of the system before they push off each other? b. What must be the momentum of the system after they push off each other? c. If the girl skater has a mass of 54 kg and moves backward at 5 m/s, what is the velocity of the boy skater if his mass is 62 kg?

Q: 13. A large pick-up truck and a small compact car both have the same momentum. What can be said…

A: The mathematical equation for calculating the momentum is : P=mv Here, P is the momentum, m is the…

Q: During practice, a student kicks a 0.42 kg soccer ball with a velocity of 7.5 m/s to the south in to…

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Q: 13. Which of the below objects have the highest momentum? a. A 5.0kg object moving at 5 m/s b. A 2.5…

A: momentum = mass *speed find highest momentum of given

Q: In a demolition derby, a car of mass M kg and velocity 5.75 m/s crashes into a car of mass 1713.51…

A: Given data: Mass of moving car = M Velocity of initially moving car (v1) = 5.75 m/s Mass of second…

Q: 3 4 car of mass 890kg is fraveling at 4.57m/s. What is its momentum? a. If the car rear-ends another…

A: 3. The momentum of the car is p1=m1v1=890 kg4.57 m/s=4067.3 kgm/s

Q: 56. In a study of momentum during collisions, a student threw an egg at a large sheet of cloth that…

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Q: 1. Starting from rest, two skaters push off from each other. The mass of the boy is 50 kg, what is…

A: Mass of the boy M=50 kg Velocity of the boy vb=2.5 m/s Velocity of the girl vg=3 m/s Since they…

Q: A railroad car with a mass of 12,000 kg collides and couples with a second car of mass 18,000 kg…

A: Mass of vehicle 1 is Mass of vehicle 2 is Initially the vehicle 2 is at rest, that is, Initial…

Q: 1. Calculate the momentum ?elephant of a 2020 kg elephant charging a hunter at a speed of 7.49 m/s.…

A: 1. Given data The mass of the elephant is given as me = 2020 kg. The velocity of the elephant is…

Q: 1. A.15 kg baseball traveling at 100 mph along the x- axis is struck by a bat, causing it to reverse…

A:

Q: The total momentum of a closed system is 750  kgm/s East. The system consists of 40 objects that are…

A: The given system is closed which means there is no external force is acting on the system.

Q: A baseball is pitched at 100 mph. Please rank the following scenarios by the magnitude of the change…

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Q: A stunt person jumps from the roof of a tall building, but no injury occurs because the person lands…

A: As from second law of motion,F→=dp→dt⇒∆p=∫F→dt                     (1)so as the person jumps off the…

Q: A 5 kg car traveling at 3 m/s collides with a 4 kg cart traveling towards it at 4 m/s. After the…

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Q: Momentum is measured in units of ? choose all that apply.

A: momentum is defined as the product of the mass and velocity of an object  i.e. p→ = mv→ dimensional…

Q: A 1.0 kg ball has a velocity of 12 m/s downward just before it strikes the ground and bounces back…

A: a body moving with velocity v and having mass m  has momentum mv when a body strikes a surface and…

Q: 7. A 0.05 kg golf ball moving at 40 m/s collides with a 0.75 kg wooden block at rest. The golf ball…

A: The mass of the golfball is The mass of the wooden block is .The initial velocity of the golfball is…

Q: Wile E Coyote and Road Runner, with masses of 12.5 kg and 0.3 kg, are at having fun at the ice rink.…

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Q: .A 1200 kg car has an initial velocity of 10 m/s i and accelerates for 6 s with a net force (in the…

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