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seraphim [82]
2 years ago
7

If you have a mass of 30 kilograms and you are resting on top of a hill that is 20 meters high how much energy would you have.

Physics
1 answer:
myrzilka [38]2 years ago
4 0

Answer:

we can have 2 values one is with g taken as 10 m/s² and the second with g taken as 9.8m/s² where g is the acceleration due to gravity

when g is 10,

30kg×10m/s²×20m. using m×g×h

6000 J

when g is 9.8

30×9.8×20

4080 J

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If a wave has amplitude of 2 meters, a wavelength of 2 meters, and a frequency of 10 Hz, and a period of 1 second, then at what
Serhud [2]

Answer:

20 m/s

Explanation:

The speed of a wave is given by:

v=\lambda f

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\lambda is the wavelength

f is the frequency

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6 0
3 years ago
A force of 9 pounds stretches a spring 1 foot. A mass weighing 6.4 pounds is attached to the spring, and the system is then imme
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Answer:

\frac{d^2x}{dt^2}+\frac{\beta}{m}\frac{dx}{dt}+\frac{k}{m}x=0

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m\frac{d^2x}{dt^2}=-kx-\beta \frac{dx}{dt}

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A car sitting at a red light begins to accelerate at 2 m/s2 when the light turns green. It continues with this acceleration unti
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