Question

if a body is starting to move with speed 20m/sec with uniform acceleration 4m/sec the distance travel in 5th sec will be ? ​

Answer 1

Answer:  36m=answer

Explanation:  Distance travelled by body in 5th second will be equal to distance travelled by it in 5 seconds minus distance travelled in 4 seconds

S=ut+at2/2

From this, distance travelled in 4 seconds is equal to 64m

And distance travelled in 5 seconds is equal to 100m

Therefore, distance travelled in 5th second is equal to

36m=answer