1. Find the force in an accident where the momentum of a motorcycle rider wearing a helmet changes from 80 kg-m/s to 0 in 0.03 s. 2. While on skates, a 56 kg student throws a 0.20 kg ball horizontally. As a result, the student moves back with a speed of 0.42 m/s. What is the speed by which the ball was thrown?

Q: . A 4000-kg truck traveling with a velocity of 10 m/s due north collides head-on with a 1200-kg car…

A: For the two vehicles in exercise 16:a. Sketch to scale the momentum vectors of the two vehicles…

Q: A 300 Kg red bumper car is traveling with a velocity of +2.5 m/s. Over a 0.5 second time frame it…

A: In elastic collision, momentum and kinetic energy of system conserved. Kinetic energy;…

Q: A 1000 kg car travels at a speed of 20 m/sec a.At what…

A: 2) Mass of car (m) = 1000 kg speed of car (u) = 20 m/s mass of truck (M) = 3000 kg

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: 1. A snow-scooter has a mass of 250 kg. A constant force acts upon it for 60 initial speed is 6 m/s…

A:

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: 3. In the game Squash, a rubber ball is struck against a wall by each player in turn. The ball has a…

A: mass = 1.5 kg initial velocity (u) = -60 m/s final velocity (v) = 45 m/s

Q: swer the following questions. Note that e = 0.43. a. What is the velocity (m/s) of A after the…

A: Given:-  The mass of the car A is M = 1.3 metric tons = 1300 kg  the mass of  the car B is m = 1.7…

Q: 3. A 55 kg skater at rest on a frictionless rink throws a 3 kg ball, giving the ball a velocity of 8…

A: Given data The mass of the skater is m1=55 kg The initial speed of the skater is u1=0 m/s The mass…

Q: An astronaut whose mass is 80 kg carries an empty oxygen tank with a mass of 10 kg. She throws the…

A:

Q: You bonk a 18 kg Red Curling rock travelling 4.14 m/s (to the Right) into a 25 kg Yellow Curling…

A: Part (A) Given: The mass of red rock is m1=18 kg. The initial speed of red rock is u1=4.14 m/s. The…

Q: 1. An average force of 100 N acts for a time interval of 0.02 seconds on a golf ball that is…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2. A one-dimensional collision occurs between a cart of mass 12 kg moving to the right at 3 m/s and…

A:

Q: An object has a force of 1500 N exerted in 3500 m/s for 0.0065 hours. (Convert hours to seconds) a.…

A:

Q: 4. A 0.015 kg bullet is fired at a 1.5 kg block initially at rest. The bullet, moving with an…

A: According to the conservation of momentum, mtvto=mivti+mkvkmtvto-mivti=mkvkvk=mtvto-mivtimk

Q: 1a. A trolley having a total mass of 35 kg is moving with a velocity of 22 m/s. What is the momentum…

A: As per guidelines , only first and second question is solved here , as 3rd is completely different…

Q: A cue ball moving at 1.5 m/s strikes an 8 ball at rest. As a result, the 8 ball moves while the cue…

A:

Q: 9. A 5-kilogram ball falls 10 meters. What is the change in momentum of the ball during the fall? A…

A: The change in momentum of an object is given by the formula:   Δp = m × Δv   where Δp is the change…

Q: 1. Norwegian speed-skater Hege Bokko (57.1 kg) is skating on an ice rink at a speed of 12.0 m/s…

A: Given,  mass of the hege bokko, m = 57.1 kgmass of the apple, ma = 6.0 kgspeed of the hege with…

Q: 7. Ronald went off to play a game of billiards. He hit the 0.42 kg white ball which began to move at…

A: Given: The mass of the white ball is 0.42 kg. The initial velocity of the white ball is 7.7 m/s. The…

Q: 3.A 21 kg child is riding a 5.9 kg bike with a velocity of 4.5 m/s to the northwest. a.What is the…

A: We know, momentum of a object of mass m, moving with velocity v, is given as, p=mv

Q: 8. Martha, whose mass is 42 kg is traveling on her roller blades at 8 m/s, when she collides with…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: 5. A 1-kg body moving forward at 5 m/s hits a second body at rest. After the collision, the 1-kg…

A:

Q: 4. A 0.110 kg tennis ball is approaching a tennis player at 23 m when she hits the ball with her…

A:

Q: 5. Two skaters with masses of 40 kg and 50 kg are at rest on frictionless ice. The 40 kg skater…

A: In given question, there is no external force acting on the system of two skaters, hence as per…