Question

In 1 second of motion the body covered the path of 10 m, during this his speed, without changing directions, increased 4 times compared to the original. What was the acceleration of the body?​

Answer 1

Explanation:

u=10m/sec

v=40m/sec

a=(v-u)/t

a=30m/sec

Answer 2

Explanation:

t=1s

s=10m

v=10m/s

v2=4*10m/s=40m/s

a 40-10/1=30m/s^2