Work, Energy and Power-Work-Energy Theorem (NEET Physics): Questions 1 - 2 of 2

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Question number: 1

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

The stopping distance for a vehicle of mass M moving with a speed v along a level road, will be - (u is the coefficient of friction between tyres and the road)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

The earth circles the sun once a year. How much work would have to be done on the earth to bring it to rest relative to the sun, (ignore the rotation of earth about -its own axis) Given that mass of the earth is 6 x 10 24 kg and distance between the sun and earth is 1.5 x 10 8 km-

Choices

Choice (4) Response

a.

1.9 x 10 23

b.

1.9 x 10 24

c.

2.7 x 10 24

d.

2.7 x 10 33

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