Answer:
Explanation:
= Initial diameter = 4 cm
= Initial velocity = 1 m/s
= Final diameter = 7.8 m
= Final velocity
= Area =
From the continuity equation we get
The speed of water at the second floor is .
After meeting the end the wave willa- reflect with larger amplitude.b- disappear.c- reflect with the same displacement. (not inv
erted)d- reflect with opposite displacement. (inverted)
1 answer:
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Answer:
Explanation:
r = Distance between Earth and Sun =
Time taken to complete one rotation around Sun is given by
Centripetal acceleration is given by
The centripetal acceleration of the Earth in its orbit is
Force is given by
The force on the Earth is