Question

Q1. a body is thrown vertically upward with velocity u, the greatest height h to which it will rise is......

Answer 1

Answer:

Explanation:

The body that is thrown vertically upward with velocity u will have final velocity  v=0 at  the greatest height h.

Substituting the given values in the third equation of motion, v  

2

=u  

2

+2as

we have 0=u  

2

−2gh. (taking g in the upward direction)

or h=  

2g

u  

2

 

​  

.

Answer 2

Explanation:

The body that is thrown vertically upward with velocity u will have final velocity v=0 at the greatest height h.

Substituting the given values in the third equation of motion, v

2

=u

2

+2as

we have 0=u

2

−2gh. (taking g in the upward direction)

or h=

2g

u

2