Question

A boxer throws a punch with a force of 1,400 N that lasts 0.02 s. What is the impulse of this punch? (1 point)
Responses

28 kg⋅m/s
28 kilograms times meters per second

70,000 kg⋅m/s
70,000 kilograms times meters per second

280 kg⋅m/s
280 kilograms times meters per second

7,000 kg⋅m/s

Answer 1

To find the impulse of the punch, we can use the formula:

Impulse = force × time

Given that the force is 1,400 N and the time is 0.02 s, we can calculate the impulse as follows:

Impulse = 1,400 N × 0.02 s = 28 kg⋅m/s

Therefore, the impulse of this punch is 28 kg⋅m/s.