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TEA [102]
3 years ago
7

How do I solve for time if I have initial velocity and final speed?

Physics
1 answer:
xeze [42]3 years ago
4 0
Final speed = initial speed + (acceleration x time)

(final speed - initial speed) = acceleration x time

Time = (final speed - initial speed) / acceleration
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Answer:

Average velocity (v) of an object is equal to its final velocity (v) plus initial velocity (u), divided by two.

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v¯¯¯ = average velocity

v = final velocity

u = initial velocity

The average velocity calculator solves for the average velocity using the same method as finding the average of any two numbers. The sum of the initial and final velocity is divided by 2 to find the average. The average velocity calculator uses the formula that shows the average velocity (v) equals the sum of the final velocity (v) and the initial velocity (u), divided by 2.

Explanation:

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3 years ago
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Which of the following is true about radiation from the sun?
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3 years ago
How much heat must be added to make a 5g substance with a specific heat of 2 J/gC that has its temperature go up 10 degrees? Q =
zlopas [31]

Answer:

100 Joule

Explanation:

Amount of heat in agiven body is given by Q = m•C•ΔT

where m is the mass of the body

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ΔT is the change in the temperature of body

___________________________________________

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m = 5g

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since, it is given that temperature of body increases by 10 degrees, thus

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Using the formula for heat as given

Q = m•C•ΔT

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Thus, 100 joule heat must be added to  a  5g substance with a specific heat of 2 J/gC to raise its temperature go up by 10 degrees.

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IRISSAK [1]

Answer:

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Explanation:

The speed of the block v = rω where r = amplitude of the oscillation and ω = angular frequency of the oscillation.

Now ω = v/r since v = speed of the block = 62 cm/s and r = the amplitude of the oscillation = 11 cm.

The angular frequency of the oscillation ω is

ω = v/r

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ω = 5.64 rad/s

So, the angular frequency of the block is ω = 5.64 rad/s

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