A bullet of mass 20g has an initial speed of 1ms ^{-1 },just before it starts penetrating a mud wall of thickness 20 cm. If the wall offers a mean resistance of 2 .5\times10^{-2}N , the speed of the bullet after emerging from the other side of the wall is close to: [10 Apr 2019 Shift 2]

JEE Main 10 Apr 2019 Paper 2 Solved Paper

Section: Physics

Question : 2 of 90

Marks: +1, -0

A bullet of mass 20g has an initial speed of 1ms−1,just before it starts penetrating a mud wall of thickness 20 cm. If the wall offers a mean resistance of 2.5×10−2N , the speed of the bullet after emerging from the other side of the wall is close to:

[10 Apr 2019 Shift 2]

0.1ms−1
0.4ms−1
0.7ms−1
0.3ms−1

Validate

Go to Question:

Prev Question

Next Question