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A ball is thrown vertically upwards with a velocity of 10 m/s.It returns to the ground with a velocity of 9 m/s.What is the height attained by the ball ?

A ball is thrown vertically upwards with a velocity of 10 m/s.It returns to the ground with a velocity of 9 m/s.What is the height attained by the ball ?

Grade:9

1 Answers

Amogh Dasture
48 Points
6 years ago
Dear Vijeya,
 
Initial velocity (u) is 10 and final velocity (v)=9. Accn due to gravity (g) is 9.8m/s. h is the height attained
By 3rd kinematical eqn
 
v2=u2-2gh
therefore h = 1 meter

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