A bullet of 10g strikes a sand bag at a speed of 100 m/s and gets embedded after travelling

5 cm inside the bag. Calculate the resistive force exerted by the sand on the bullet and the time

taken by the bullet to come to rest. with calculation

Question

Physics

Gunnar Lowe

21 May, 05:26

A bullet of 10g strikes a sand bag at a speed of 100 m/s and gets embedded after travelling

5 cm inside the bag. Calculate the resistive force exerted by the sand on the bullet and the time

taken by the bullet to come to rest. with calculation

+1

Answers (1)

Know the Answer?

Francis Green · Answer 1

-1000 N

Explanation:

First calculate the acceleration:

v² = v₀² + 2a (x - x₀)

(0 m/s) ² = (100 m/s) ² + 2a (0.05 m)

a = - 100,000 m/s²

Now calculate the force:

F = ma

F = (0.010 kg) (-100,000 m/s²)

F = - 1000 N

A bullet of 10g strikes a sand bag at a speed of 100 m/s and gets embedded after travelling5 cm inside the bag. Calculate the resistive force exerted by the sand on the bullet and the timetaken by the bullet to come to rest. with calculation

A bullet of 10g strikes a sand bag at a speed of 100 m/s and gets embedded after travelling

5 cm inside the bag. Calculate the resistive force exerted by the sand on the bullet and the time

taken by the bullet to come to rest. with calculation