Answer:
7.56 Hz
Explanation:
6.63E-34 x 1.14E34 = 7.5582
Answer: joule
Explanation: named after English physicist James Prescott Joule . Joule discovered the relationship between heat and mechanical work, which led to the development of the laws of thermodynamics.
D.
Sasha is informing participants about the study and making sure they wish to participate.
Answer:
25 m
9.9 m/s
22 m/s
Explanation:
m = Mass of ball
v = Velocity
g = Acceleration due to gravity = 9.81 m/s²
Applying conservation of energy

The height above the ground is 5.09683+20 = 25.09683 m = 25 m

The ball's speed as it passes the window on its way down is 9.9 m/s

The speed of impact on the ground is 22 m/s