3 years ago

The total amount of kinetic energy and potential energy within a system is called

1 answer:

6 0

<span>The total amount of kinetic energy and potential energy within a system is called "Mechanical Energy"

In short, Your Answer would be Option C

Hope this helps!</span>

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A block rides on a piston that is moving vertically with simple harmonic motion. (a) If the SHM has period 2.68 s, at what ampli

fredd [130]

Answer:

Part a)

$A = 1.78 m$

Part b)

$f = 2 rev/s$

Explanation:

Part A)

As we know that time period of the motion is given as

$T = 2.68 s$

so we have

$\omega = \frac{2\pi}{T}$

$\omega = \frac{2\pi}{2.68}$

$\omega = 2.34 rad/s$

now at the point of maximum amplitude the force equation when Normal force is about to zero is given as

$mg = m\omega^2 A$

so we have

$A = \frac{g}{\omega^2}$

$A = \frac{9.81}{2.34^2}$

$A = 1.78 m$

Part b)

Now if the amplitude of the SHM is 6.23 cm

and now at this amplitude if object will lose the contact then in that case again we have

$mg = m\omega^2 A$

$g = \omega^2 (0.0623)$

$\omega = 12.5 rad/s$

so now we have

$2\pi f = 12.5$

$f = 2 rev/s$

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Calculate the average speed of a snake that moves 700 meters in 5 hours?

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The amount of energy in food is measured in

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The amount of energy in food is measured in calories.
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A volleyball player’s hand applies a 39 N force while in contact with a volleyball for 2 seconds. What is the impulse on the bal

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Given:
F = 39 N, the force applied
t = 2 s, the time interval in which the force is applied.

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Answer: 78 N-s

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