3 years ago

Why sun is known as main or ultimatesource of energy?( please in short answer)

Physics

1 answer:

erastova [34]3 years ago

6 0

Answer:

because of the heats came from to ultraviolet trnasform and i thankyou

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A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of +15.2 m/s in a time of 22.3 s.

scZoUnD [109]

Answer:

The tension is 384 N.

Explanation:

To calculate the acceleration, we know the velocity and the time, so:

a=Δv/t

$a=\frac{15\frac{m}{s} }{22.3s}$

$a=0.67\frac{m}{s^{2} }$

To calculate the tension we need to apply Newton's second law:

∑F=m*a

$F=573Kg *0.67\frac{m}{s^{2} }\\F=384N$

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3 years ago

If you were standing on the moon and you had a radio signal transmitter, you could send the radio signal to Earth in 1.28 second

Hatshy [7]

Answer:

Distance between moon and earth = $3.84*10^{5}km$

Explanation:

Distance traveled by radio waves = Velocity of radio waves * Time taken by radio waves

Velocity of radio waves = $3*10^{8}m/s$

Time taken by radio waves = 1.28 seconds

So distance traveled by radio wave = $3*10^{8}*1.28=3.84*10^{8}m$

Distance between moon and earth = $3.84*10^{8}m$ = $3.84*10^{5}km$

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Electricals is what I have and if the substance is a metalloid

Elanso [62]

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-sounds waves are either longitudinal, mechanical and pressure waves

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3 years ago

Why sun is known as main or ultimatesource of energy?( please in short answer)​

Why sun is known as main or ultimatesource of energy?( please in short answer)