Question

an object thrown vertically upwards reaches the height of 500 metre full stop what was its initial velocity? How long will the object take to come back on the earth? Assume g=10 M per second

Answer 1

Howdy!!

your answer is ---

Given , height h = 500m

according to formula--

v^2 - u^2 = 2gh

=> 0 - u^2 = 2×10s

=> u^2 = 20× 500

=> u = √10000

=> u = 100 m/s

Let, object take t time come back

according to formula ---

v = u +at

=> 0 = 100+ 10t

=> t = -10sec

it means it take 10 second to come back



hope it help you

Answer 2

Answer:

Hope this will help you.