Question

a ball is thrown vertically upwards with a speed of 40m per sec how height will it be after 4 sec​

Answer 1

plz refer to the attachment above

Answer 2

Explanation:

it's an very interesting question ...

here u( initial velocity )

t = time

h= ?

g= -10

h= ut -1/2(gt^2)

= 40×4 -0.5(10×16)

= 160-80

= 80 m