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AleksandrR [38]
3 years ago
9

If the frequency of a wave is tripled, what happens to the period of the wave?

Physics
1 answer:
AveGali [126]3 years ago
5 0

Answer:

if the frequency of the wave if tripled then period of wave gets tripled

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Round the following off to required number of significant figures.
Stells [14]

Answer:

140

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Explanation:

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2 years ago
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A car is strapped to a rocket (combined mass = 661 kg), and its kinetic energy is 66,120 J.
labwork [276]

Answer:

9.4 m/s

Explanation:

According to the work-energy theorem, the work done by external forces on a system is equal to the change in kinetic energy of the system.

Therefore we can write:

W=K_f -K_i

where in this case:

W = -36,733 J is the work done by the parachute (negative because it is opposite to the motion)

K_i = 66,120 J is the initial kinetic energy of the car

K_f is the final kinetic energy

Solving,

K_f = K_i + W=66,120+(-36,733)=29387 J

The final kinetic energy of the car can be written as

K_f = \frac{1}{2}mv^2

where

m = 661 kg is its mass

v is its final speed

Solving for v,

v=\sqrt{\frac{2K_f}{m}}=\sqrt{\frac{2(29,387)}{661}}=9.4 m/s

4 0
3 years ago
What color is reflected off of most plant leaves?
serg [7]
Green is reflected off of most plant leaves.
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When light encounters a barrier with slits cut it in it, the light will bend through the slits creating a pattern like that seen
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Answer:

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Explanation:

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What is a newton defined as<br>​
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