Question

A bullet of mass 0.02 kg moving with a velocity of 30 metre per second is brought to rest by wooden plank the work done on the bullet before it coming to rest​

Answer 1

Answer:

9J

Explanation:

• m = 0.02kg
• v = 30m/s

To Find:

work done

Solution:

Workdone = ¹/² mv²

W = ¹/² (0.02)(30)²

W = 0.01 × 900

W = 9J