Physics, asked by vishalsuliyal1917, 1 month ago

derive an expression for final velocity if the objects of mass m1 and stick together incase of perfectly inelastic collision​

Answers

Answered by harry366784
0

Explanation:

Let two bodies of masses m

1

and m

2

moving with velocities u

1

and u

2

along the same straight line.

And consider the two bodies collide and after collision v

1

and v

2

be the velocities of two masses.

Before collision

Momentum of mass m

1

=m

1

u

1

Momentum of mass m

2

=m

2

u

2

Total momentum before collision

p

1

=m

1

u

1

+m

2

u

2

Kinetic energy of mass m

1

=

2

1

m

1

u

1

2

Kinetic energy of mass m

2

=

2

1

m

2

u

2

2

Thus,

Total kinetic energy before collision is

K.E=

2

1

m

1

u

1

2

+

2

1

m

2

u

2

2

After collision

Momentum of mass m

1

=m

1

v

1

Momentum of mass m

2

=m

2

v

2

Total momentum before collision

P

f

=m

1

v

1

+m

2

v

2

Kinetic energy of mass m

1

=

2

1

m

1

v

1

2

Kinetic energy of mass m

2

=

2

1

m

2

v

2

2

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