# Question #786a6

##### 2 Answers

The ratio of their

#### Explanation:

The momentum is

The masses are

As their momentum are identical

So,

Therefore,

Their kinetic energies are

Therefore,

The first objects KE is

#### Explanation:

We know that,

Momentum,

The mass of the first object,

The mass of the second object,

As,you mentioned

Hence,

We know,

Then,