By what velocity a ball be projected vertically upwards so that the distance covered in 5th second is twice of that covered in 6 m second (tale g = 10 ms-2) ……….. .
A. 19.6 ms-1
B. 58.8 ms-1
C. 49 ms-1
D. 65 ms-1
Answer:D
By what velocity a ball be projected vertically upwards so that the distance covered in 5th second is twice of that covered in 6 m second (tale g = 10 ms-2) ……….. .
A. 19.6 ms-1 B. 58.8 ms-1 C. 49 ms-1 D. 65 ms-1