how long does it take a 2500 kg car to slow down from 15 m/s if it strikes a wall with a force of 10,000 N assuming that the wall is elastic?

Q: Calculate the final speed of a 110 kg rugby player who is initially running at 8 m/s but collides…

A:

Q: A soccer player hits a 0.20 kg ball which is incoming with a speed 5 m/s. After the kick, the ball…

A: The average force is given by  F=∆p⇀∆t∆p⇀=change in momentum∆t=time interval

Q: A 0.25-kg ball is dropped from a height of 3.0 m above the floor. It rebounds to a height of 2.5 m.…

A:

Q: Suppose a gangster sprays Superman’s chest with 3 g bullets at the rate of 100 bullets/min, and the…

A: According to the conservation of momentum. Force is equal to the Rate of change of momentum,…

Q: A 0.145- kg baseball with an initial speed of 23 m/s rebounds with a speed of 36 m/s after being…

A:

Q: A 88 kg man lying on a surface of negligible friction shoves a 66 g stone away from himself, giving…

A:

Q: crane drops a 1.9 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

A:

Q: The driver of a car (1100 kg) traveling at 30 m/s on dry concrete sees a deer in the distance and…

A: The mass of the car m=1100 kg. The velocity of the car v=30 m/s. Standard values: Coefficient of…

Q: How long does it take a 2500 kg car to come to a stop from 15 m/s if it strikes a wall with a force…

A:

Q: A railroad car moves under a grain elevator at a constant speed of 3.20 m/s. Grain drops into the…

A:

Q: A 0.576-kg ball, initially moving with a speed of 2.93 m/s, bounces off a wall and then moves with a…

A:

Q: A volleyball weighing 0.38 kg approaches Zina with a velocity of 3.8 m / s. Zina hits it and gives…

A: Recall Favg=∆P/∆t

Q: A 0.0450-kg golf ball initially at rest is given a speed of 25.0 m/s when a club strikes. If the…

A: The golf ball has a mass of 0.045 kg. Let m=0.045 kg. As given, the golf ball was initially at rest,…

Q: A 550 g cart is released from rest on a frictionless, 45 ° ramp, 120 cm from the bottom of the ramp.…

A: Concept: Newton's second law states that an object's momentum changes as a result of a force acting…

Q: A tall man walking at 1.10 m/s accidentally bumps his head of mass 3.07 kg on a steel doorjamb. His…

A: Initial speed (u) = 1.1 m /s mass of steel doorjamb = 3.07 kg t = 0.019sec Final velocity (V) = 0…

Q: A dog weighing 36 kg, is standing on a flatboat so that he is 23 m from shore. He walks 16 m on the…

A: It is given that,

Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

A:

Q: A 0.544-kg ball, initially moving with a speed of 2.54 m/s, bounces off a wall and then moves with a…

A:

Q: At a stoplight, a large truck (2000 kg) collides with a motionless small car (800 kg). The truck…

A: Conservation of linear momentum  Initial momentum of car + truck = final momentum of car + truck

Q: On a snow covered road, a car with mass 1.1 x 10^3 kg collides head on with a van having a mass of…

A:

Q: A soccer player applies an average force of 250 N during a kick. The kick accelerates a 0.45 soccer…

A:

Q: Car B, of mass 1900 kg, was stopped at a red light when it was hit from behind by car A, of mass…

A: (a)Mass of car A=1500 KgLet velocity of car A before collision be U m/sMass of car B= 1900…

Q: A rubber ball hits the floor with a speed of 17.5 m/s and bounces vertically back with a speed of…

A: Refer explanationExplanation:Put value in above equation F=3.924/0.12= 32.7N Final answer is 32.7N

Q: A 30-gram bullet initially travelling at 500 m/s penetrates 12 cm into a wooden block. What average…

A: Given-           mass (m) = 30g           velocity(v) = 500 m/s            penetration (D) = 12 cm

Q: If a 0.50 kg block initially at rest on a frictionless, horizontal surface is acted upon by a force…

A: Given Mss of a block = 0.50 kg Initial velocity of block = 0 m/s Surfaces are frictionless force…

Q: A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the…

A: Given: The mass of the bullet is 50.0 g. The number of bullets per minute is 300. The muzzle…

Q: Two ice skaters are holding hands at the center of a frozen pond when an argument ensues. Skater A…

A: Using conservation of energy,

Q: At a stoplight, a large truck (3000 kg) collides with a motionless small car (1200 kg). The truck…

A: The mass of vehicle 1 is The mass of vehicle 2 is The velocity of vehicle 2 before collision is The…

Q: A ball of mass 160 g is dropped from a height 1.5 m and bounces off the floor with a velocity 3.0…

A: Mass of ball is Initial height is Velocity of ball after bouncing from the floor is in upward…

Q: What average force is necessary to stop a bullet of mass 20 g and speed of 250 m/s as it penetrates…

A:

Q: A golf ball of m=0.05 kg reaches a speed of 95 m/s, 0.01 seconds after it was released. What force…

A: Given data:  Mass (m) = 0.05 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 95 m/s Time (t) =…

Q: 1. A 3 N baseball moving left toward the batter with a velocity of 15 m/s is struck with a bat which…

A: weight of ball = w = m g = 3 N mass = m = 39.8= 0.306 kg initial velocity = V0= - 15 m/s ( -ve is…

Q: ball a and ball b have the same mass and are at rest on a smooth floor. If ball A is pushed towards…

A: Given,  Initially ball A and ball B are at rest. A is pushed towards ball B, with a constant…

Q: Calculate the final speed (in m/s) of a 106 kg rugby player who is initially running at 7.50 m/s but…

A:

Q: Air in a 124 km/h wind strikes head-on the face of a building 49 m wide by 71 m high and is brought…

A: Speed of the air in m/s can be calculated as,

Q: A 0.065-kg tennis ball moving to the right with a speed of 15 m/s is struck by a tennis racket,…

A: Given:Mass of tennis ball, m=0.065 kgspeed, v=15 m/s

Q: A 0.25-kg ball, initially at reston a tee, is hit with a bat in the x-direction while 1.00 meter…

A:

Q: A car of mass 1,907 kg collides with a wall. The initial speed of the car is 18.2 m/s. After…

A: By, Newton's second Law of motion, Favg = ∆p/∆t Favg = m∆V /∆t Favg = m (Vf -Vi)/∆t Here,  Favg. =…

Q: 38. Realizing that he could not drive up a 30°, ice-covered hill because there was no friction, Sir…

A:

Q: An arrow hits a tree penetrating 10 cm as it is brought to rest from its initial speed of 50 m/s…

A:

Q: , A 33-kg girl stands on a 6-kg wagon holding two 14.0-kg weights. She throws the weights…

A:

Q: A 0.663-kg ball, initially moving with a speed of 3.09 m/s, bounces off a wall and then moves with a…

A:

Q: A 2.5 kg ball strikes a wall with the velocity of 8.5 m/s to the left the ball bounces off with a…

A: Given:Mass,M=2.5 kgVelocity,v1=8.5 m/svelocity ,v2=7.5 m/s Time,t=0.2 secFind the force exerted on…

Q: A crane drops a 2.6 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

A: GIven, the mass of the ball, m = 2.6 kg; the initial speed of the ball, u = -8.3 m/s;  the final…

Q: A small block of mass 70g is given a kick on a frozen pond. The kick imparts to it an initial speed…

A: Given:- mass of block = 70 g = 0.07 kg initial velocity, u =8m/s the distance, s= 10m

Q: A 980-kg sports car collides into the rear end of a 2500-kgkg SUV stopped at a red light. The…

A: