Answer: the player pushing down on the floor
Explanation:
Answer:In a basketball game, a player shoots a jump shot.
Which force actually causes the player to jump?
the floor pushing up on the player YES
the player pushing down on the floor NO
the push of the ball on the floor NO
the push of the floor on the ball NO
the floor pushing up on the player
this is for k12 8th grade science test
Answer:
The sound level will be 1.870 dB louder.
Given that,
Power = 130 W
Power = 200 W
We need to calculate the sound level
Using formula of sound level
For one amplifier,
...(I)
For other amplifier,
...(II)
For difference in dB levels
Hence, The sound level will be 1.870 dB louder.
b)
Rotational inertia of the sphere:
Rotational inertia of hollow sphere:
Rotational inertia of flat disk:
The largest value is 2/3 mr², therefore, hollow sphere's inertia is largest.