Question

a ball thrown upwards from the ground with an initial velocity of u m/s and at angle α with the horizontal.the time required to reach the ground is
a) 2u sinα/g
b) u sinα/g
c) u sin2α/g
d) u cosα/g​

Answer 1

Answer:

option a is correct. it's a formula for projectile motion that total time of flight = 2u× sin theta / g