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postnew [5]
3 years ago
9

A toy car sits motionless at the top of a ramp. What will happen to the car if a balanced force acts upon it?

Physics
1 answer:
dexar [7]3 years ago
5 0

Answer:

kinetic energy because when the car moves again it will be faster then it was before

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A 50kg person standing still in ice skates throws their helmet to the right at 25 m/s while on a frictionless surface. This give
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A key falls from a bridge that is 44 m above the water. It falls directly into a model boat, moving with constant velocity, that
Lady_Fox [76]

The time t it takes for the key to fall 44 m is

44\,\mathrm m=\dfrac12\left(9.8\,\dfrac{\mathrm m}{\mathrm s^2}\right)t^2\implies t=3.0\,\mathrm s

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6 0
3 years ago
What is the frequency of a tuning fork that vibrates 518 times in 3.50 s?
Serga [27]

Given:

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51\text{8 times}

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\begin{gathered} \frac{The\text{ total vibrations}}{The\text{ time}} \\ =\frac{518}{3.50} \\ =148\text{ Hz} \end{gathered}

Hence, the frequency is 148 Hz.

7 0
1 year ago
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