Question

a force of 20 newton is applied on a lorry of mass 15 kg and its velocity changes to 12 MS calculate time spent in this process​

Answer 1

Explanation:

f = ma

f = m(v-u)/t. (a = (v-u)/t)

20 = 15(12)/t

t = 15 (12)/20

t = 15(6)/10

t = 90/10

t = 9 seconds

Answer 2

Mari book ma Answer 9.02 aaya hai