3. a stone is thrown vertically upward with a speed of 24 m/s.
a. how fast is moving when it is at a height of 13 m?
b. how much time is required to reach this height?
c. how much higher will it go to reach its maximum height?
d. how long was it in the air from the time it was caught (at the same point it was released)?

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Distinguish between a transverse wave and a longitudinal wave.

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

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