AIPMT PRELIMS2009Physics-Work, Energy and Power
AIPMT PRELIMS 2009 Physics Kinetic Energy MCQ Question
Type: MCQ-conceptual-Medium-Class 11
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water?
A
mv²
B
½ mv²
C
½ m v²
D
½ mv³
Correct Answer
Option D
Detailed Explanation
The rate of kinetic energy imparted to the water is given by the formula ½ mv³, where m is the mass per unit length and v is the velocity.
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