3 years ago

At what temperature is the fahrenheit scale reading equal to twice that of the celsius?

Physics

1 answer:

yuradex [85]3 years ago

5 0

320 degrees Fahrenheit and 160 degrees Celsius

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3 years ago

A 0.45kg baseball is pitched towards home plate at 20 m/s. The ball is hit back towards the pitcher with a speed of 30 m/s. What

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Answer:

4.5kgm/s

Explanation:

Change in momentum is expressed as

Change in momentum = m(v-u)

M is the mass

V is the final velocity

u is the initial velocity

Given

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v = 30m/s

u = 20m/s

Substitute

Change in momentum = 0.45(30-20)

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2 years ago

Name one metal and one non-metal from the periodic table? <br><br> Y’all I need help<br> Thank you!

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3 years ago

What other kind of simple machine is a special kind of lever?

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2 years ago

A soccer player kicks a soccer ball initially at rest setting it in motion at a velocity of 30 m/s. If the ball has a mass of 0.

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Answer:

F= 600 N

Explanation:

Given that

Initial velocity ,u= 0 m/s

Final velocity ,v= 30 m/s

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time ,t= 0.025 s

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ΔP= m (v - u)

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ΔP= 15 kg.m/s

We know that from second law of Newtons

$F=\dfrac{dP}{dt}$

$F=\dfrac{\Delta P}{t}$

Now by putting the values

$F=\dfrac{15}{0.025}\ N$

F= 600 N

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3 years ago