Andrea and the other members of the tennis team are practicing hitting tennis balls. If two people hit identical balls at the sa me time, which ball has the most kinetic energy?
2 answers:
The tennis ball that is hit the hardest would have the most kinetic energy.
Answer:
d; the ball moves at its fastest speed.
Explanation:
got it on study island.
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Answer:
because energy will be lost due to friction, sound, and heat (arguably similar to friction) and ENERGY MUST STAY THE SAME so it is IMPOSSIBLE for the ball to bounce higher than when dropped!
Answer:
Explanation:
F = Force
C = Drag coefficient equal for both aircrafts
ρ = Density of air
A = Surface area equal for both aircrafts
v = Velocity
Dividing the above two equations we get
The ratio of the drag forces is
Answer:
9.807 m/s²
Explanation:
Answer:
B
Explanation:
if you want to change an object's momentum you need to apply force to the object
Answer:
c
Explanation:
because the other would not make sense
