Well, a, c, and d are all true, but the simple reason is that the velocity is zero at the top of the flight. The best, simplest answer is 'a'.
D. Cross product of velocity & amp; acceleration is 0
Answer:
25 degrees
Explanation:
The angle of incidence equals the angle of reflection
Surface tension=75N/m
Weight=300N
7.87x10^5m/s^2