Question

A body is thrown vertically upwards with a speed of 14 m/s
Calculate a) the height to which it rises
b) the time taken by the body to reach the highest point ​

Answer 1

Answer:

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Answer 2

Answer:

initial speed u=14 m/s

acceleration = g = 10 m/s 2( downward)

assuming up as positive

1. now using formula

v^2 = u^2 + 2as

at highest point the final velocity Will be 0

putting value

0 = 14^2 + 2 ( -10 ) s

solve = s= 9.8 m

2. assume time reach at highest point = t

using formula v = u+ at

putting values 0 = 14 + (-10) t

t = 1.4 sec is answer