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2 years ago

Waves : Transfer of Energy

Physics

1 answer:

garri49 [273]2 years ago

7 0

✒ Answer

In the case of still lake and ocean water how are they different in transferring energy from one location to another?

Answer:Energy is transferred in waves through the vibration of particles

In what direction will you move a rope to create transverse waves?

Answer: in the direction of the black arrow

In what direction will you move a slinky to create longitudinal waves?

Answer: parallel to the direction that energy is transported.

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A kid is on a stationary sled, on

gregori [183]

The mass of the kid and the sled is 50.0 kg

Explanation:

The sled starts to move when the force applied becomes larger than the maximum force of static friction, which is given by

$F_{max} = \mu_s mg$

where

$\mu_s$ is the coefficient of static friction

m is the mass of the kid + the sled

$g=9.8 m/s^2$ is the acceleration of gravity

Here the sled starts moving when the force applied is 61.2 N, so

$F_{max}=61.2 N$

And we also know

$\mu_s = 0.125$

Therefore, we can find the mass of the kid and the sled by re-arranging the equation:

$m=\frac{F_{max}}{\mu_s g}=\frac{61.2}{(0.125)(9.8)}=50.0 kg$

Learn more about friction:

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4 years ago

Why do we need to have an understanding about impulse and momentum ?

bonufazy [111]

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3 years ago

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nlexa [21]

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John Dalton published his atomic theory in the early 1800’s. It has been revised since this time, but some points still remain t

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