Question

A ball is thrown vertically upwards and reach a maximum height in 3. find the velocity with which it is thrown upwards and the maximum height attained by the ball

Answer 1

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Answer 2

t=3s

let g=9.8m/s^2

v=0m/s

u=?

h=?

using v=u-gt

0=u-9.8×3

u=29.4m/s or 30 m/s (app.)

using h=ut+1/2gt^2

h=45m(app)