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dybincka [34]
3 years ago
9

If you wanted to determine the temperature of a star, which measurement would you make?

Physics
1 answer:
STALIN [3.7K]3 years ago
6 0
How hot the air (Space) is around it then multiply that by 3
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When objects are forced to vibrate ( like when dropped onto a hard surface), they will do so at their
Marat540 [252]

They'll vibrate at their characteristic resonant frequency. That depends on the material the object is made of and its shape.


3 0
4 years ago
How much power is needed to lift a 20-kg object to a height of 4.0 m in 2.5 seconds?
4vir4ik [10]

Answer:

313.92w

Explanation:

Formula for power:

P=W/∆t = Fv

Givens:

m=20kg

∆y=4.0m

∆t=2.5s

a=9.81m/s²

In order to find power, we first need to solve for work.

W=Fd (force*displacement), f=mg

W=mg∆y

W=(20kg)(9.81m/s²)(4.0m)

W=784.8J

P=W/∆t

P=784.8J/2.5s

P=313.92 watts

5 0
3 years ago
If you drop a bowling ball, a tennis ball, and a feather from the top of a tall building at the same time which one will hit the
Whitepunk [10]
In the absence of air resistance the result is D .
6 0
3 years ago
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ELEN [110]

Answer:

1.It improved by using the Mars survey probe, that took a portrait of the planet that helped us see the climate of Mars.

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7 0
3 years ago
Why silicon have large forward current as compared to germanium?​
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Answer:

The structure of Germanium crystals will be destroyed at higher temperature. However, Silicon crystals are not easily damaged by excess heat. Peak Inverse Voltage ratings of Silicon diodes are greater than Germanium diodes. Si is less expensive due to the greater abundance of element.

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3 years ago
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