Answer:
The magnitude of the horizontal displacement of the rock is 7.39 m/s.
Explanation:
Given that,
Initial speed = 11.5 m/s
Angle = 50.0
Height = 30.0 m
We need to calculate the horizontal displacement of the rock
Using formula of horizontal component

Put the value into the formula


Hence, The magnitude of the horizontal displacement of the rock is 7.39 m/s.
Answer:
Answer D. Inertial mass constant, weight decreases.
Explanation:
Khan Academy
C. 32400 because 540 * 60 = 32400
Winds transfer energy in the form heat from the air to the ground!
Through the compact molecules of a solid sound would move at its slowest.
Through the loose molecules of a liquid sound would move moderately.
Through the very spacious molecules of a gas sound would move very fast.