An object initially at rest breaks into two pieces as the result of an explosion. One piece has twice the kinetic energy of the other piece. What is the ratio of the masses of the two pieces? Which piece has the larger mass?Explain and labled the problem.

Q: 4. A bullet ( v = 60 m/sec, m = 50 gram) is fired into an ice block (M=3 KG) resting on ice…

A: Given information:Mass of the bullet (m) = 50 g = 0.05 kgVelocity of the bullet (u­1) = 60 m/sMass…

Q: A baseball of mass m = 0.26 kg is dropped from a height h1 = 2.05 m. It bounces from the concrete…

A: V1= 2gh1= 2×9.81×2.05= 6.342 m/sV2= 2gh2= 2×9.81×1.63 = 5.655 m/s

Q: 1. Isit possible for a small car and a freight truck to equal momenta? Explain.

A: Momenta or momentum means mass times velocity.

Q: 1. An object weighing 50 kg was dropped from a height of 10 m. What was its momentum the instant it…

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Q: 1.Two objects moving with speed v travel in oppisite direction to straight line. The objects stick…

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Q: A 60kg bowling ball collides with a 0.005kg ping pong ball with an impact force of 60N. The force…

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Q: 2. A 0.45-kg ball, moving east with a speed of 4.90 m/s, has a head-on collision with a 0.900-kg…

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Q: 2. The 2 masses below are traveling in the same direction and experience an inelastic collision…

A: Given data: Final velocity of system after collision is, v=47 m/s. Mass of block 1 is, m1=92 kg.…

Q: In which of the following collisions would you expect the kinetic energy to be conserved?   A. A…

A: Kinetic energy is conserved means that the total kinetic energy before collision is equal to total…

Q: child sleds down a hill and collides at 5.6 m/s into a stationary sled that is identical to his. The…

A: mass of child = m  Mass of sled = M

Q: Josh is driving his car home after going to work. However, he fell asleep while driving because of…

A: let his mass is m a) Momentum before the collision  Pi = mVi = 40.2m  kgm/s b) Momentum after the…

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 brick with a mass of '2M' is dropped from rest upon a cart with a mass of 'M'. Before the…

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Q: 1. a. Starting from Newton's second law of motion, prove that impulse is equal to a change in…

A: 1. Newton Second law of motion2. Impulse equals to change in momentum.3. Show that K.E of particle…

Q: A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The…

A: We have a nucleus. It is at rest initially. It decays into 3 particles each moving with some…

Q: 4. A 1590-kilogram truck moving with a speed of 23.0 m/s runs into the rear end of a 1090-kilogram…

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Q: A bullet of mass m = 0.025 kg is fired vertically towards a block of mass M= 1.57 kg. After the…

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Q: Two objects with masses m1 = 2kg and m2 = 4kg collide and stick together as shown in the figure. The…

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Q: 2. A 3 kg block moving to the right on a frictionless table at 4 makes a head on collision with…

A: Mass of block 1: m1=3kgMass of block 2: m2=3kgInitial speed of block 1: u1=4 m/s to the rightInitial…

Q: A plate drops onto a smooth floor and shatters into three pieces of equal mass. Two of the pieces go…

A: Let us assume each piece have equal mass be m and their velocity will v. and initially there was…

Q: A bullet of mass 20 g is fired into ballistic pendulum of mass 3 kg initially at rest. The bullet…

A: Ballistic Pendulum A ballistic pendulum is used to determine speed of the bullet. The bullet speed…

Q: 6. A 0.25 kg ball bounces off a vertical wall as shown. The speed of the ball just before hitting…

A: M= 0.25kg ( assume horizontal as x axis and vertical as y axis)  u1= 8sin30° i - 8 cos30° j      =…