Question

A particle is projected upwards with a velocity of 100 m/s at an angle of 37° with the vertical. The time when the particle will
move perpendicular to its initial direction is (g = 10 ms, tan 53 = 4/3)
10 s
12.5 s
O
15 s
O 16 s​

Answer 1

Answer:

which class are you in ???