Question

how to do this activity ​

Answer 1

Step-by-step explanation:

The two moving objects have the same kinetic energy and the brakes equal retarding forces - so they will stop at the same time.

Hence, option C is correct.

hope it helps

Answer 2

Step-by-step explanation:

→ As length is 5 times the

height, ⇒l=5h

Now, Breadth, b=l−10

⇒b=5h−10