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:A
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