Question # 1

The orbital speed of a low orbit satellite is:

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Zero

8 ms^-1

800 ms^-1

8000 ms^-1

When a body is lifted through a height h, the work donw on it appears in the form of its.

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Kinetic energy

Potential energy

Elastic energy

Geothermal energy

During recent years the percentage of __________ increased considerably on earth:

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Carbon dioxide

Nitrogen

Oxygen

Methane

Normal human body temperature is :

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15°C

98.6°C

37°C

37°F

A boy jumps out of a moving bus. There is danger for him to fall

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Towards the moving bus

In the direction of motion

away from the bus

Opposite to the direction of motion

Hydro meter is used to measure:

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Pressure

Density

Area

Volume

The unit of acceleration is.

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ms-1

ms

ms^-2

ms²

The value of absolute zero kelving temperature is:

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273^oC

273^oK

273^oF

-273^oC

The value we get after rounding 1.47 is

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1.4

1.5

1.47

1.46

Rate of change of momentum is equal to:

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Mass

Torque

Weight

Force

Gravitational constant depends on:

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Medium

Force

Weight

It does not depend son anything

When two bodies are in motion then the velocity of one body relative to the other is called.

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Relative velocity

Uniform velocity

Variable velocity

Average velocity

Einstein mass energy equation is:

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E = mc

E = m2 c

E = mc2

E2 = mc

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