Answer:
Explanation:
The pingpong ball reaches the ground directly under the student. That means net displacement is zero
Time of fall t = 
Initial horizontal velocity = v ,
horizontal acceleration = - a ( deceleration because net displacement is zero)
0 = ut - 1/2 a t²
0 = 
v = 1/2 a 
h = 
I believe it is c because the least dense would be on top. so x is least dense, then y, and then z
Answer:
<u>Option-(C):</u> Refunded by an insurance company for costs incurred according to an agreement drawn up
Explanation:
<u>Reimbursement:</u>
There are certain institutes or insurance company, which holds the capacity to refund any cost or fee spent by its client. As the client will paid the due amount as per an agreement done before and as both the parties have agreed upon those terms prior to the situation faced.
