A 1700 kg car is rolling at 1.6 m/s. You would like to stop the car by firing a 9.0 kg blob of sticky clay at it. How fast should you fire the clay?

Q: A ball is released from a height ho above the concrete floor. Assuming that the collision between…

A: Since in elastic collision, Kinetic energy remains conserved and from energy conservation Potential…

Q: A stationary quarterback is tackled by a 89 kg linebacker travelling with an initial speed of 5.2…

A: Let the mass of the quarterback be m1 And the mass of the linebacker is (m2)= 89 kg Initial speed of…

Q: A 10 g block slides with a velocity of 20 cm/s on a smooth level surface and makes a collision with…

A: Applying momentum conservation:…

Q: A 5.00 g bullets is fired to a wooden block of 1.20 kg which is initially at rest. The bullet gets…

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Q: Ah artillery shell traveling east at a speed of 200 m/s suddenly explodes into three parts. Piece 1…

A: Given  initial velocity of shell, u = 200 m/s , due east mass of first piece of shell after…

Q: A 23 kg body is moving through space in the positive direction of an x axis with a speed of 130 m/s…

A: Given data: The total mass of the body is, m= 23 kg The velocity of the body m is, v= 130 m/s along…

Q: A puck with mass mA=2.42g moves eastward with speed vA=1.73m/s . It then collides with another  puck…

A: Given data: The mass of the pucks are, mA=2.42 gmB=1.25 g The initial velocities of pucks are,…

Q: A 200 g ball is dropped from a height of 2.0 m, bounces on the floor, and rebounds to a height of…

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Q: A 0.150-kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.8…

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Q: A gun fires a 2.8 g bullet into a 195 g wooden block hanging from the ceiling as shown below. After…

A: Given  The mass of the bullet is m = 2.8 g. The mass of the wooden block is M = 195 g. The maximum…

Q: A 20 kg mass is moving at 40 mph when it collides with a 50 kg object moving in theopposite…

A: Momentum before collision = 20x 40 -50 x2 = 700 kg mph Momentum after collision = 20 x 30 + 50 x v…

Q: A soft rubber pellet is fired at a target sitting motionless on a frictionless surface. If the…

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Q: A 27 kg body is moving through space in the positive direction of an x axis with a speed of 200 m/s…

A: The law of conservation of linear momentum states that for an isolated system, the linear momentum…

Q: A 80.0 kg archer, standing on frictionless ice, shoots a 90.0 g arrow at a speed of 50 m/s.

A: conservation of momentum, wherein the amount of recoil would be equal to that of the momentum of the…

Q: Can you please help?? A dinner plate falls vertically to the floor and breaks up into three pieces,…

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Q: 4. A 2.0 kg trolley moving east at 3.0 m/s collides head-on with a 1.0 kg trolley moving west at 2.0…

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Q: A 5.00 kg firework at rest explodes into two pieces. If the 3.50 kg piece has a velocity of 3.00 m/s…

A: Mass of combined firework = 5.00 kg  3.50 kg piece has velocity = 3.00 m/s West

Q: A 2.7 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed…

A: It is given that,

Q: A bullet of mass mm is fired into a block of mass MM that is at rest. The block, with the bullet…

A:

Q: Back in the mid 1800s, the golden age of ivory hunting in Africa, hunters used guns that fired a…

A: mass of projectile = 0.5 pound = 0.227 kg mass of riffle = 30 pounds = 13.61 kg Length = 24 inch =…

Q: A 320-g air track cart traveling at 1.25 m/s suddenly collides elastically with a stationary 270-g…

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Q: Two cars have a ‘rear end’ collision. A 1200 kg Honda moving at 20m/s strikes at 1000kg Ford moving…

A: Given Data: The mass of a Honda car is, m1=1200 kg The velocity of a Honda car before the collision…

Q: D 2. A 250-g ball moving in the positive direction at 18 m/s strikes a wall and bounces off at 14…

A: Given Data: Mass of the ball is m = 250 g. Striking velocity of ball is v1 = 18 m/s. Bounce back…

Q: A cart with mass 600 g moving on a frictionless linear air track at an initial speed of 1.5 m/s…

A: Given: The mass of the first cart is 600 g. The initial speed of the first cart is 1.5 m/s. The…

Q: Tyrrell throws his 0.20 kg football in the living room and knocks over his mother’s 0.80 kg antique…

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Q: In a ballistics test, a 29 g bullet traveling horizontally at 1200 m/s goes through a 33-cm-thick…

A: Given:Mass of bullet = 29 g = 0.029 kgMass of target = 370 kgInitial velocity of bullet = 1200…

Q: A 20 g ball of clay travelling east at 2.0 m/s collides with a 30 g ball of clay travelling 30°…

A: m1 = 20 g v1 = 2 ms , along east m2 = 30 g v2 = 1 ms , 30o south of west

Q: On a level. frictionless air track. a 300-g puck traveling at 20.0 cm's to the right undergoes a…

A: The concept of head on elastic collision is used here.

Q: A 5.00kg chunk of ice is sliding at 12.0 m/s on the floor of an ice-covered valley when it collides…

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Q: A 2.3 kg object traveling at 6.1 m/s collides head on with a 3.5 kg object traveling in the opposite…

A: Given: The mass of 2.3 kg object is mA=2.3 kg The mass of 3.5 kg object is mB=3.5 kg The initial…

Q: A ball (a) approaches two stationary balls (b and c) with a velocity vai=11.5m/s. It collided with…

A: It is given that, vai=11.5 m/svbi=0vci=0mc=10.9 kgvcf=11.5 m/s

Q: A 2 kg ball moving at 3 m/s collides with a 4 kg that is stationary. If the collision is perfectly…

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Q: A 5.0 g bullet is fired into a stationary block of wood (m = 7.5 kg). The relative motion of the…

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Q: A rocket-powered sled sits on a frozen lake bed. The sled has a mass of 210 kg, and the combusting…

A: Given data: The mass of the sled is M = 210 kg The mass of rocket combusting fuel is m= 8 kg The…

Q: A 105-kg rugby player is initially running at 7.5 m/s in the positive direction, but collides…

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Q: A non-BYU Idaho student is having a snow ball fight. 'Accidentally' a snowball travelling north at…

A: Given: The speed of snowball is vs=10 m/s. The speed of bicyclist is vb=5 m/s. The mass of snow…

Q: Two objects A and B collide and stop after the collision. Object A is 19 kg with the velocity of 4.2…

A: Given, Mass of object A, MA = 19 kg Velocity of object A before collision, VA = 4.2 m/s Mass of…

Q: Mr. M, mass 90 kg, runs at speed of 15.0 m/s [E]. He jumps into the arms of his wife, mass 50 kg who…

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Q: A 2.8 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed…

A: Given   ms of wooden block = 2.8 kg mass of bullet = 3.0 g speed of bullet before collision = 510…

Q: A 6.58 g pellet is shot horizontally from a BB gun at a speed of 23.8 m/s into a 26.3 g wooden…

A: According to law of conservation of momentum, the momentum before collision will be equal to the…

Q: A truck is traveling with speed 5 v and hits a super ball traveling in the opposite direction at…

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