A person with a mass of 50 kg is driving her car at a velocity of 20 m/s. The car is involved in a small collision and the airbag is deployed. the airbag provides a stopping force of 1200 N. The person's final velocity is 0 m/s. How long does it take for the person to be stopped by the airbag?

Q: A driver in a 1500-kg car plows into a 1300-kg parked car. Police measurements show that the two…

A: Given : m1 = 1500 kg m2 = 1300 kg x = 20 m u = 0.75

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 block of mass m1 = 10.5 kg slides along a horizontal surface (with friction, μk = 0.29) a distance…

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: A 7100-kilogram train car runs at a constant 16.0 m/s on a flat, frictionless track. Initially at…

A: Given data:  Mass of train car (m1) = 7100 kg Initial velocity of train car (V1) = 16.0 m/s Mass of…

Q: In a crash test, a car with a mass of 1200 kg hits the wall as shown. the car's initial and final…

A:

Q: A student (m = 66 kg) falls freely from rest and strikes the ground. During the collision with the…

A: GIVEN:               MassM = 66 kg                Time ( t ) = 0.040 s               Force exerted…

Q: Perfectly Inelastic Collision BEFORE AFTER m1=1300 kg m2=1900 kg m1=1300 kg m2=1900 kg V1=24 m/s…

A: Given data:  The masses of the objects  m1 = 1300 kg and m2 = 1900 kg Initial velocities  V1 = 24…

Q: An empty cart with mass of 4 kg rolls on a horizontal surface towards the left with a velocity of 2…

A:

Q: Two carts, labeled 1 and 2, are headed toward each other along a level track. Both carts roll…

A: Given: m1 = 21.3 kgm2=3.11kgv1i=u1 = 1.9 m/sv2i=u2=-1.8 m/slet final speed are v1 and v2

Q: A car with mass 996 kg moving at 28 m/s hits a giant bag of marshmallows.  The bag slows the car…

A: Before hitting,  v1 = 28 m/s , m = 996 kg  After hitting ,                 V2 = ? , m = 996 kg…

Q: Xyrus throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5…

A: Force is defined as the rate of change of momentum.        F= dP/dt  P= m*v

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 bobsleigh group is pushing their sled down the track at the start of a run. Four people all push…

A: Given: Mass of sled M=100 kg. Force applied by each of four people F=800 N. Free body diagram for…

Q: m1 In the picture below, a 3.5 kg turtle is initially falling towards the water at 3.5 m/s. If the…

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: A 1.2 kg ball is falling in the -y direction at a speed of 25 m/s. The ball strikes the floor and…

A: The ball's mass is, m=1.2 kg The change in the velocity of a ball is, Δv=10--25 m/s=35 m/s The time…

Q: A 51.9-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A: The average force exerted on the wall can be given by Favg=mv-ut

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

A:

Q: a red 755 g cart having a initial speed of 9.85 m/s hits a stationary blue 455-g cart on a physics…

A: Mass of red cart, mr = 0.755 kgMass of blue cart, mb = 0.455 kgInitial velocity of red cart, ur =…

Q: A block of mass m1 = 14.5 kg slides along a horizontal surface (with friction, μk = 0.37) a distance…

A: Given that:- Mass of first block=m1=14.5kg

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 Maxim machine gun fires 466 bullets per minute. Each bullet has a mass of 14g and a velocity of…

A:

Q: A 791 N man stands in the middle of a frozen pond of radius 9.0 m. He is unable to get to the other…

A: From conservation of momentum, the speed of the person,

Q: A 764-N man stands in the middle of a frozen pond of radius 6.0 m. He is unable to get to the other…

A:

Q: A 5.0 g bullet moving 325 m/s is shot into a 1.25 kg block, which slides for 1.35 seconds across the…

A: Given data: Mass of bullet (m1) = 5.0 g Velocity of bullet (V1) = 325 m/s Mass of block (m2) = 1.25…

Q: As a member of CSU's golf team, Jesse has access to the golf range on University Avenue for practice…

A: We have a golf ball of mass m=0.05 kg which was at rest (initial velocity u=0) is then hit by a club…

Q: An object attached to a rope is released from rest where the rope is in a horizontal position. At…

A:

Q: A 2.4 kg ball strikes a wall with a velocity of7.1 m/s to the left. The ball bounces off witha…

A: Given : velocity of ball before striking, u = - 7.1 m/s ( assuming left side as negative x axis)…

Q: A 5 kg box is sliding on a frictionless surface with a velocity of 6 m/s. It collides with a wall…

A:

Q: A 4.0-kg object is moving with a speed of 5.0 m/s, and a 5.0-kg object is moving with a speed of 4.0…

A: Given quantities: mass of object 1 (m) = 4 kg , mass of object 2 (M) = 5 kg velocity of object 1 (v)…

Q: 12. A physics student makes a device that prevents an egg from cracking when dropped. The mass of…

A: For egg from drop to ground Initial velocity= 0 as it is dropped V= 5m/s and accelaration ,a= -g=…

Q: A 719-N man stands in the middle of a frozen pond of radius 4.0 m. He is unable to get to the other…

A: GIVEN: Force = 719N radius =4m mass of textbook =1.2kg speed of book = 4m/s

Q: A 6-g bullet is shot into a 2.1-kg block of wood, where it becomes embedded.  The block is initially…

A: Given, Mass of bullet, Mass of wood block, Initial velocity of bullet, Initial velocity of block,…

Q: Two carts, labeled 1 and 2, are headed toward each other along a level track. Both carts roll…

A: m1=2.23 kgm2=3.36 kgv1i=+1.6 msv2i=-1.6 ms

Q: An object weighing 26700 N falls from a height of 1.8 m on an object weighing 4450 N, standing still…

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Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: A tennis ball has a mass of 0.055 kg. A professional tennis player hits the ball hard enough to give…

A: Solution       Given dataMass of ball m=0.055kginitial speed u=0m/sFinal speed v=52m/sDistance…

Q: A 5.0 kg dog stands on an 18 kg canoe at distance D = 6.1 m from the shore.  The dog walks 2.4 m…

A: mass of dog m=5kg mass of canoe M=18kg D=6.1m if dog walks 2.4m along shore and boat moves x…

Q: 4. A man sees a 45 kg cart about to bump into a wall at 1.7 m/s. If the cart is 0.2 m from the wall…

A: