Air pressure pushing in on the balloon decreases as the balloon rises.
Answer:
D.amplifying sound vibrations from the eardrum
this is correct
Answer:
5558643.69 N
Explanation:
F = Force
v = Velocity = 31.5 knots
Converting to m/s


Power is given by

The forward force is exerted on the ship at this highest attainable speed is 5558643.69 N
Answer:
Following are the solution to this question:
Explanation:
Law:




Answer:
80 angle of incidence=angle of reflection
Explanation: