Question

A balloon starts rising from the ground vertically upwards uniformly at the rate of 1 metre per second at the end of 4 seconds a body is released from the balloon calculate the time taken by the released body to reach the ground

Answer 1

Answer:

distance travelled by ballon

=1×4

=4m

so time for the body to reach ground

putting values in 2nd equation

4=1/2×10×t^2

time=√20 sec