Question

Class 11 Relations and functions.

Answer 1

Answer:

Thai is the answer above picture

Step-by-step explanation:

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Answer 2

Answer:

A bullet of mass 0.1kg strikes a wooden planck with a velocity of 120ms^-1 and emerges out in 0.01s with velocity of 40ms^-1.Calculate the work done by bullet and the thickness of plank.