Answer:u=42.29 m/s
Explanation:
Given
Horizontal distance=167 m
launch angle
Let u be the initial speed of ball
Range




How planets look like,and maybe How the planets were created
I believe the answer in Covalent Bond.
<h3>Reducing Surface Area.</h3>
If the surface area becomes smaller, the pressure becomes larger.
Potential energy is highest at the top of the loop, and kinetic energy is highest at the bottom of the loop.