Questions
A balloon has 8 g of air. A small hole is pierced into it. The air escapes at a uniform rate of 7 cm/s. If the balloon shrinks in 5 .6 second, then the average force acting on the balloon is
detailed solution
Correct option is A
The rate of change of momentum =V×dmdt∴ Average force =7100×(8/1000)(5⋅6)=10−4NTalk to our academic expert!
Similar Questions
Statement I : The familiar equation mg = R for a body on a table is true only if the body is in equilibrium.
Statement II : The equality of mg and R has no connection with the third law.
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