A body of mass 5 kg, projected at an angle of 45° from the ground covers a horizontal range of 45 m, acceleration due to gravity is g = 10 m/s2, what is the velocity with which it was projected covered?

A body of mass 5 kg, projected at an angle of 45° from the ground co

1.	A body of mass 5 kg, projected at an angle of 45° from the ground covers a horizontal range of 45 m, acceleration due to gravity is g = 10 m/s2, what is the velocity with which it was projected covered?
A.	21.21 m/s
B.	20 m/s
C.	22 m/s
D.	21.1 m/s
Answer» B. 20 m/s

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