Answer: 2:1
Explanation:
Given
Mother has four times the mass of young son
If they possess same kinetic energy then
Equate the energy
Thus, the ratio of speed is 2:1.
I feel like you wouldn't be able to hear it. That is because sound waves need air to travel. Hope this helps!
(B) 1.00 m
Explanation:
Since the meter stick is traveling with Jill, it will have the same speed as she does so relative to Jill, the meter stick is stationary so its length remains 1.00 m as measured by her.
Correct option B
Transverse waves are those waves whose particles vibrate perpendicular to the direction of wave.
Hope This Helps You!