Two identical metal coins are dropped separately into two identical tubes. One of the tubes if filled with air and the other has its air pumped out with a vacuum pump.
Which of the following observation(s) is/are true?
a. Both metal coins will drop with same speed
b. Both metal coins will accelerate at a different rate
c. Both metal coins will reach the bottom of the tube at the same time
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b) is the only correct option.
in vaccum there is no force acting on both the objects except for gravity.
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