Questions
A dish of mass 10 g is kept floating horizontally in the air by firing bullets each of mass 5 g with the same velocity. If 10 bullets are fired per second and the bullets rebound with the same velocity, then the velocity of each bullet is
detailed solution
Correct option is B
n×mu−n×(−mu)=Mg⇒u=Mg2nm=10×9802×10×5cm/s⇒u=98cm/sTalk 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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