68 - Work, Energy and Power Questions Answers

a 20g bullet pierces through a plate of mass 1kg and then comes to rest in a second plate of mass 2.98kg. the two plates initially at rest now move with equal velocity. find % loss of initial velocity of bullet when it is b/w the llates. any loss of material due to piercing may be neglected .

Asked By: SMITHA 1 Month ago

a 20g bullet pierces through a plate of mass 1kg and then comes to rest in a second plate of mass 2.98kg. the two plates initially at rest now move with equal velocity. find % loss of initial velocity of bullet when it is b/w the llates. any loss of material due to piercing may be neglected .

Asked By: SMITHA 1 Month ago
Asked By: GONGURA 3 Month ago

Two blocks of masses m1, and m2 connected by a light vertical spring of stiffness k, m2 kept on a smooth horizontal surface . What should be the initial compression of the spring so that the system will be about to break off the surface, after releasing the block m1?

Asked By: RAJARSI HOMROY 2 year ago

TWO BALLS OF MASSES M EACH ARE MOVING AT RIGHT ANGLE TO EACH OTHER WITH VELOCITIES 6m/s AND 8m/s RESPECTIVELY. IF COLLISION IS PERFECTLY INELASTIC THEN WHAT IS THE VELOCITY OF COMBINED MASS

Asked By: SHIVAM MAHAJAN 3 year ago
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A BODY OF MASS M FALLS FROM H HEIGHT ON GROUND. IF e IS COEFFICIENT OF RESTITUTION OF COLLISION BETWEEN BOY N GROUN THEN WHAT IS THE DISTANCE TRAVELLED BY BOY BEFORE IT COMES TO REST

Asked By: SHIVAM MAHAJAN 3 year ago

The potential energy of a particle of mass 1 kg is moving along x-axis is given by U(x) = x^2/2 - 2 J. If total mechanical energy is 2J, then find its maximum speed.

Asked By: APARAJITHA 4 year ago
A bomb of mass and velocity 3 km/hr and collides with a body at rest and mass 2 m and then sticks to it .now the combine mass starts to move ,then the combine velocity will be what?
Asked By: PRABHJOT 4 year ago

a particle of masa m is projected with speed u at angle θ with horizontal from ground .the work done by gravity on it during its upward motion

Asked By: PRATHAMA DEY 4 year ago