If a laptop computer weighting 22 N is dropped from a distance of 1 m onto a floor, determine the average reaction force from the floor if the time of contact is 0.1 s and 2.0

Q: Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact…

A: According to the principle of conservation of momentum, the total momentum of the system must be…

Q: An incoming tennis ball (mass .060 kg) has a speed of 14m/s. The player hits the ball with a racquet…

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Q: A 54.0 kg person is riding in a car moving at 21.0 m/s when the car runs into a bridge abutment.…

A: Given data:  Mass of person (m) = 54.0 kg Initial velocity (Vi) = 21.0 m/s Final velocity (Vf) = 0…

Q: Dizzy is speeding along at 35.9 m/s as she approaches the level section of track near the loading…

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Q: A 0.145-kg baseball pitched at 37.5 m/s is hit on a horizontal line drive straight back at the…

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Q: A 0.130-kg baseball hits a wall head-on with a forward speed of 34.0 m/s. It rebounds with a speed…

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Q: A Maxim machine gun fires 465 bullets per minute. Each bullet has a mass of 12g and a velocity of…

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Q: a truck with a mass of 2741 kg coasts slowly (v= 4.0 m/s) under a cabbage dispensing machine, which…

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Q: In a particular crash test, a car of mass 1200 kg collides with a wall. The initial and final…

A: Given data, Mass m=1200 kg Initial velocity u=-15 m/s Final velocity v= 2.6 m/s Collision Time t=…

Q: A ball with a mass of 1 kg hits the ground vertically at 25 m / s and returns at 10 m / s. Since the…

A: Given data, mass of the ball = 1 kg initial speed of the ball = 25 m/s final speed of the ball = 10…

Q: We commonly see Superman being shot and bullets bounce off of him.  Suppose Mr. Bad shoots Superman…

A: Given values: Mass of each bullets, m=4.00 kg Rate of bullets, r=100 bullets/min Time, t=5.00 s…

Q: Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact…

A: From conservation of momentum, find the final velocity of the car and the truck

Q: An airline employee tosses two suitcases in rapid succession, with a horizontal velocity of 7.2…

A: Given: horizontal velocity, v = 7.2 ft/s mass of baggage, m = 50 lb final velocity, v'=3.6 ft/s mass…

Q: A Maxim machine gun fires 453 bullets per minute. Each bullet has a mass of 12g and a velocity of…

A: Given  Mass of bullet m=0.012 kg Velocity v=660m/s Bullet fired per second =453/60=7.55 bullet /sec…

Q: Maxim machine gun fires 445 bullets per minute. Each bullet has a mass of 13g and a velocity of…

A: Write the given values of the problem- Mass of the bullet=13 g velocity=674 m/s Maxim machine gun…

Q: A 50-kg swimmer dives horizontally off a 450-kg raft. If the diver's speed immediately after leaving…

A: Given value--- mass of swimmer = 50 kg. mass of raft = 450 kg. speed of swimmer = 3 m/s. We have…

Q: Hockey, a winter sport, two teams compete against each other by trying to maneuver a puck on an icy…

A: Dear student The impulse is defined as: J = F∆t = Pf - Pi Here Pf = final momentum Pi = initial…

Q: Dizzy is speeding along at 30.4 m/s as she approaches the level section of track near the loading…

A: Given:- The initial velocity is u = 30.4 m/s  The final velocity is v = 3.95 m/s  The mass of the…

Q: A 0.21-kg baseball has an initial velocity of 41 m/s as it approaches a bat. We have chosen the…

A: Given data:               Mass of the baseball , m = 0.21 kg             Initial velocity of the…

Q: You are playing badminton when your racket hits the shuttlecock from rest. The racket and the ball…

A: Given value--- mass = 36 g. initial speed = 0 m/s. final speed = 6 m/s  time = 6 milliseconds.  We…

Q: Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact…

A: Given Data: Collision is perfectly in-elastic and head-on.

Q: A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in…

A: Given data: Time interval (Δt) = 0.0042 s Mass (m) = 55 g = 0.055 kg Initial velocity (v0) = 0 m/s…

Q: need help

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Q: A tennis player strikes the tennis ball with her racket while the ball is still rising. The ball…

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Q: Dizzy is speeding along at 35.9 m/s as she approaches the level section of track near the loading…

A:

Q: If Alice who has a mass of 55.0 KG and is it raining at 25.0 m/s had not been wearing a seatbelt and…

A: The mass, m=55 kg   The speed, v=25 m/s   The time duration, t=0.002 s

Q: jetliner is moving at a speed of 215 m/s. The vertical component of the plane's velocity 40.6 m/s.…

A: Vertical component of velocity is given by  Vy=V sinθ 40.6=215sinθ θ=sin-1(40.6/215)=10.88 deg

Q: Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact…

A: As the collision is perfectly inelastic, so both objects stick together after the collision.…

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 baseball mass 205g approaches a bat horizontal at a speed of 37.70 m/s and is hit straight back at…

A: Given mass of bass ball  m = 205 g Speed of baseball before striking the bat  u = 37. 70 m/s Speed…

Q: On the set of a new Hollywood movie, a 84.6-kg stunt actor (Max Payne) is tossed straight out of a…

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Q: The cue ball A is given an initial velocity (VA)₁ = 5 m/s. If it makes a direct collision with ball…

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Q: A 76.0 kg person is riding in a car moving at 16.0 m/s when the car runs into a bridge abutment.…

A: Solution:-Given thatmass of person (m)=76 kgInitial velocity of car (u)=16 m/s (+ve X direction)(a)…

Q: A 79.0 kg person is riding in a car moving at 23.0 m/s when the car runs into a bridge abutment.…

A: a) Given data The mass of the person is m = 79 kg. The velocity of the car is u = 23 m/s. The…

Q: Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact…

A: Given that the drivers of equal masses(m=73kg) are moving with opposite velocities, one in 800kg and…

Q: you were told that the girl's mass was three-fourths that of the boy's mass. The boy has a velocity…

A: Consider the mass of boy is m and the mass of the girl is then 3m/4 Consider the initial velocity of…

Q: The club was in contact with a ball, initially at rest, for about 0.0043 s. If the ball has a mass…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: