13. bari kicked a ball and its leaves the ground at an angle 30° with a velocity of 20 m/s.
find hang time of the ball
11 pari iricked a ball and its leaves the ground at an angle 30° with a velocity of 20. m/s.

i have a physics test upcoming and i’m particularly stuck on this question and i would be grateful if anyone could me out.

Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.