3 years ago

Do changes in speed and mass have the same effect on the kinetic energy of an object? Explain.

1 answer:

5 0

Yes, it does because depending on its speed and mass, it will either move faster than another object or move slower. This shows a demonstration of kinetic energy increasing or decreasing.

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A person notices a mild shock if the current along a path through the thumb and index finger exceeds 82 µA. Find the maximum all

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Answer:

$V_{voltage}=19.68V$

Explanation:

Given data

Current I=82µA=82×10⁻⁶A

Resistance R=2.4×10⁵Ω

to find

Voltage

Solution

From Ohms law we know that:

$V_{voltage}=I_{current}*R_{resistance}\\V_{voltage}=82*10^{-6}*2.4*10^{5} \\V_{voltage}=19.68V$

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4 years ago

The field between two charged parallel plates is kept constant. If the two plates are brought closer together, the potential dif

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The answer is B, because it will lose potential energy.

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76.8 kPa to mm of Hg

Bumek [7]

Answer:

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Explanation:

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Please mark my answer as brainliest?

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3 years ago

The area of the velocity time graph gives displacement of the body true or false?

mote1985 [20]

The area of the velocity time graph gives displacement of the body true or false?

The answer this is true.

8 0

3 years ago

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A wave travels at a constant speed.How does the frequency change if the wavelength is reduced by a factor of 3 The frequency dec

nata0808 [166]

Answer:

The frequency increases by a factor of 3.

Explanation:

The relation between speed, wavelength and frequency of a wave is given by :

$v=f\lambda$

$f\propto \dfrac{1}{\lambda}$

A wave travels at a constant speed. If the wavelength is reduced by a factor of 3, it would mean that the frequency increases by a factor of 3 because there is an inverse relationship between wavelength and frequency.

8 0

3 years ago