Question

Hola mate ❤❤

⏺ Starting from a ground a particle is height of 40 m at t= 2 Sec . The total time when it will be again at same height.


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Answer 1

Answer:

hey mate here is your answer!

40/2 = 20..

after 20 seconds it reaches the same height...

Explanation:

hope it successfully helps you ☺️☺️

Answer 2

Answer:

4 sec

Explanation:

s=ut+1/2at^2

=2u+1/2-10×2^2

u=30

s=30t+1/2-10×t^2

t=4sec