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S.I unit of length is
S.I unit of Temperature is
Amount of matter contained in body is called
Another word for speed and direction is
What is velocity
speed and direction
Kinetic Energy is the energy an object has because it is in motion.
If we load a box with 1kg of stuff and seal it. Then take it to the moon and reweigh it with the same scale. It will weigh 167g. Has the mass of the stuff in the box changed?
Which of the following is the correct SI unit of temperature?
What happens after a star explodes?
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A blackhole is created!