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Bess [88]
3 years ago
7

White dwarfs are too small to see with telescopes true or false

Physics
1 answer:
trasher [3.6K]3 years ago
5 0

Answer:

False

Explanation:

A white dwarf star that is easy to locate and see with small telescopes.

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A 1000 kg elevator accelerates upward at 1.0 m/s2 for 10 m, starting from rest. a. How much work does gravity do on the elevator
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Answer:

a)= 98kJ

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Explanation:

a. The work that is done by gravity on the elevator is:

Work = force * distance  

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= 1000 * 9.81 * 10  

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b)The net force equation in the cable

T - mg = ma

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T = 10800N

The work done by the cable is

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Work done by cable = PE +KE  

108,100 J = KE + 98,100 J  

KE = 10,000 J

= 10kJ

=

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