A particle of mass m moving with an initial velocity u collides inelas

1.	A particle of mass m moving with an initial velocity u collides inelastically with a particle of mass M initially at rest if the collision is perfectly inelastic then find expression for 1. final velocity of combined entity and 2. loss in KE during collision
Answer» Answer: Given, Mass of car, M=2000kg Velocity, V=72× 18 5 =20MS −1 APPLY kinematic EQUATION of motion v 2 −u 2 =2as 0−20 2 =2a×20 a=−10ms −2 Breaking force, F=ma=2000×10=20 kN Apply first kinematic equation v=u+at t= a v−u = −10 0−20 =2 sec Breaking force is 20 kNand time is 2sec.

A particle of mass m moving with an initial velocity u collides inelastically with a particle of mass M initially at rest if the collision is perfectly inelastic then find expression for 1. final velocity of combined entity and 2. loss in KE during collision

Answer»

Answer:

Given,

Mass of car, M=2000kg

Velocity, V=72×

=20MS

−1

APPLY kinematic EQUATION of motion

−u

=2as

0−20

=2a×20

a=−10ms

−2

Breaking force, F=ma=2000×10=20 kN

Apply first kinematic equation

v=u+at

v−u

−10

0−20

=2 sec

Breaking force is 20 kNand time is 2sec.

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A particle of mass m moving with an initial velocity u collides inelastically with a particle of mass M initially at rest if the collision is perfectly inelastic then find expression for 1. final velocity of combined entity and 2. loss in KE during collision​

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A particle of mass m moving with an initial velocity u collides inelastically with a particle of mass M initially at rest if the collision is perfectly inelastic then find expression for 1. final velocity of combined entity and 2. loss in KE during collision