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Physics

Physics
An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is

10 J
25 J
40 J
20 J

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Physics
Red light has a wavelength of 70 A°. In "nm" it is

7 nm
70 nm
0.07 nm
700 nm

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Physics
Which planet has the lowest density?

Earth
Neptune
Jupiter
Saturn

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Physics
Water drops cannot stick to the oily surface due to

Surface tension
Lack of adhesive force
Cannot mix each other
Water is lighter than oil

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Physics
The quantity that is not conserved in an inelastic collision is

Kinetic Energy
Total Energy
Momentum
All of these

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Physics
The spoon dropped by an astronaut in a satellite will

Fall to the floor
Move tangentially away
Continue to follow the motion of the satellite
Remain stationary

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