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When you drop a 5 rupee coin and a 2 rupee coin from 100 metres tall building at the same time which one will reach the earth quicker?
Wiki User
∙ 15y ago
If you neglect air resistance, they'll hit the ground at the same time. This is a classic experiment proving that the force of gravity acts the same way on all objects. On the earth objects fall at an acceleration of 9.8 m/sec/sec, meaning their velocity increases 9.8 m/sec for every second they're falling. The same experiment has been done by people ranging from Galileo to American astronauts on the Moon.
In reality, air resistance will have an effect on the speed and acceleration at which objects fall. All objects experience friction / resistance from air molecules, so anything that meets more resistance will fall more slowly. That's why a parachute lets a person fall more slowly than if they just dropped - its large surface area increases air friction.
However, for similarly-sized items air resistance can be ignored because it will affect both the same way. A 5 rupee coin is larger than a 2 rupee coin so it may be slowed just a bit more. But if you did the same experiment in a vacuum the 2 coins would reach the ground at the same time.
Wiki User
∙ 15y ago
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