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ale4655 [162]
3 years ago
12

What thrust does a 360 g model rocket need in order to have a vertical acceleration of 13.0 m/s2 on the earth?

Physics
1 answer:
maksim [4K]3 years ago
5 0
Hope this helps u :)

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How do you put 1/2000 into scientific notation? *
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3 years ago
Find the energy in Joules required to lift a 55.0 Megagram object a distance of 500 cm.
fredd [130]

Energy to lift something =

               (mass of the object) x (gravity) x (height of the lift).

BUT ...

This simple formula only works if you use the right units.

Mass . . . kilograms
Gravity . . . meters/second²
Height . . . meters

For this question . . .

Mass = 55 megagram = 5.5 x 10⁷ grams = 5.5 x 10⁴ kilograms

Gravity (on Earth) = 9.8 m/second²

Height = 500 cm  =  5.0 meters

So we have ...

Energy = (5.5 x 10⁴ kilogram) x (9.8 m/s²) x (5 m)

            =  2,696,925 joules .

That's quite a large amount of energy ... equivalent to
straining at the rate of 1 horsepower for almost exactly an
hour, or burning a 100 watt light bulb for about 7-1/2 hours.

The reason is the large mass that's being lifted.
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7 0
2 years ago
7Which of the following terms describes how glaciers move?
tatuchka [14]

Answer:

D is the answer  I think (0 w 0 )

Explanation:

7 0
3 years ago
Read 2 more answers
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