The weight of a boy on the surface of the moon is 300 N. The weight of the same boy on the surface of the earth will be
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Who proposed Continental drift theory?
A force of 200 N displaces a body by 4 m, calculate the work done (in J).
An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.
If an object moves in a circular path with uniform ________, its motion is called uniform circular motion.
At boiling point of liquids , its
The coil wire in the electric room heater or electric cooking heater is called __________.
Why boiling point of water decreases at high altitudes?