A 230g bullet moving at 442 m / s passes through a 10.0 cm thick block of wood and exits the block with a speed of 120 m / s. Consider that the change in speed of the bullet occurs uniformly and determine the value of the average force that prevents the bullet from moving as it passes through the block of wood.

Q: A 61 kg person stands in the middle of a raft which is at rest on a lake. If the person walks at…

A: Here we have to apply the law of conservation of linear monentum.Mass of man MM=61 kgLet the…

Q: A 4.3-kg model rocket is launched, shooting 55.8 g of burned fuel from its exhaust at an average…

A: Given: Mass of model rocket M=4.3 kg Mass of burned fuel m=55.8 g=0.0558 kg Average speed of burned…

Q: A 75-g ball is dropped from rest from a height of 2.2 m. It bounces off the floor and rebounds to a…

A:

Q: A 70.0-g bullet moving at a 345.0 m/s passes through a 5.30 cm thick sheet of foam plastic and…

A: Given,  Mass of bullet = 70g Initial speed = 345 m/s Final speed = 80m/s Thickness of sheet = 5.3cm…

Q: 1. During a snowball fight, a 0.15-kilogram snowball traveling at a speed of 11.0 m/s hits a student…

A: From the definition of impulse, the average force is,

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 spaceprobe in outer space is flying with a constant speed of 1.318 km/s. The probe has a payload…

A:

Q: A boy shoots his pellet gun at a piece of cheese that sits, keeping cool for dinner guests, on a…

A: Muzzle velocity = 64 m/sec   Velocity of bullet just before hitting the cheese = 64 m/sec   Momentum…

Q: Ball A has a mass of 1.2 kg and travels at 5.0 m/s in the direction shown in the figure where θ=16°.…

A: The mass of ball A is mA = 1.2 kg The speed of ball A before the collision is vA = 5 m/s at an angle…

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

A: The expression for the required force is,

Q: A skater of mass 60.0 kg standing on ice throws a stone of mass 7.55 kg with a speed of 20.8 m/s in…

A: Given data The mass of the skater is m1 = 60 kg. The mass of stone is m2 = 7.55 kg. The speed of…

Q: Two carts, labeled A and B, roll toward each other with negligible friction and collide on a…

A: The initial velocity of Cart A is viA=2.4 m/s. The initial velocity of Cart B is viB=-1.4 m/s. The…

Q: An unstable atomic nucleus of mass 1.58 x 1026 kg initially at rest disintegrates into three…

A: (given) Mass of unstable nucleus (M) =1.58 ×10-26 kg  Mass of particles is m1=5.14×10-27…

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 tennis ball with a mass of 60 grams is moving at 20 m/s. It is struck so that it returns back…

A:

Q: collision

A: Let mA be the sports car’s mass and mB be the truck’s mass. Take east directions in the positive…

Q: -45.0 kg girl is standing on a 161 kg plank. The plank, originally at rest, is free to slide on a…

A: Given: The mass of the girl is 45.0 kg.            The mass of the plank is 161 kg.            The…

Q: A block with mass M = 5.75 kg is sliding in the positive x-direction at Vi = 8.40 m/s on a…

A: Consider the diagram given below for the given system. Here, vi is zero because the mass m is at…

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 44.4-kg girl is standing on a 143-kg plank. Both originally at rest on a frozen lake that…

A:

Q: In an experiment designed to determine the velocity of a bullet fired by a certain gun, a wooden…

A: Given: The mass of the wooden block is 505 g. The mass of the bullet is 6 g. The maximum height…

Q: During a storm, rain comes straight down at a rate of 46.8 kph and perpendicularly hits the roof of…

A:

Q: You have two identical cars, both of mass 1,542 kg. The first one is moving to the left with an…

A: Given data:  Two identical cars m1 = m2 = 1542 kg Initial velocity of car 1 (u1) = -11.9 m/s Initial…

Q: Measuring the speed of a bullet. A bullet of mass m is fired horizontally into a wooden block of…

A: Given: mass of bullet =  m  mass of block = M  coefficient of friction = μ Stopping distance =d

Q: In an experiment designed to determine the velocity of a bullet fired by a certain gun, a wooden…

A:

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

A:

Q: You have two identical cars, both of mass 2,459 kg. The first one is moving to the left with an…

A:

Q: Two billiard balls, assumed to have identical mass, collide in a perfectly elastic collision. Ball A…

A:

Q: You have two identical cars of mass 1,662 kg. Initially, one car is moving to the right with a speed…

A: Given data:  Two identical cars m1 = m2 = 1662 kg Initial velocity of car 1 (u1) = 11 m/s Initial…

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

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Q: A golf club weighing 1.5 kg strikes a 45 g golf ball at a speed of 70 m/s. The club and the ball…

A: Given data: The mass of the golf club is M=1.5 kg. The mass of golf ball is m=45 g. The speed of…

Q: A 60-g tennis ball initially at rest is hit by a racket. The ball is in contact with the racket for…

A: Given that Mass of the ball m = 60 g = 0.060 kg Initial velocity is u = 0  ( in rest ) Final…

Q: A block with mass M = 5.70 kg is sliding in the positive x-direction at Vi = 8.45 m/s on a…

A: Given information: Mass of the moving block (M) = 5.70 kg Velocity of the moving block (Vi) = 8.45…

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: You are standing on a large sheet of frictionless ice and holding a large rock. To get off the ice…

A: Write the given values with the suitable variables. vr=12 m/sθ=35°mp=70 kgmr=15 kg Here, vr, θ, mp,…

Q: An unstable atomic nucleus of mass 1.84 x 104 kg initially at rest disintegrates into three…

A:

Q: A child bounces a 58 g superball on the sidewalk. The velocity change of the superball is from 21…

A: Given The mass of the child is m=58 g=0.058 kg. The downward velocity is vd=21 m/s. The upward…

Q: 56 g base ball is travelling at 40 m/s.  When it hits with the baseball bat, you exert an average…

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Q: A 4.4-g bullet leaves the muzzle of a rifle with a speed of 336 m/s. What force (assumed constant)…

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Q: A volleyball with mass = 0.350 kg has been struck with a velocity of -13.66 m/s, and was returned by…

A: Given, Mass,m = 0.350 kg  Initial velocity = -13.66m/s  Final velocity = 28.90 m/s  Time of contact…

Q: A 0.15 kg baseball is moving at 35 m/s toward home plate when it is hit with the bat. The ball is in…

A: