A baseball player throws a ball with a velocity of 40 meters per second. The ball's mass is 145 grams. If there is a possible error of 2.5 grams in the mass of the ball, estimate the relative error in the kinetic energy.
The formula for kinetic energy is
k=1/2 mv^2

Question

A baseball player throws a ball with a velocity of 40 meters per second. The ball's mass is 145 grams. If there is a possible error of 2.5 grams in the mass of the ball, estimate the relative error in the kinetic energy. 
The formula for kinetic energy is 
k=1/2 mv^2

royalranger · Answer

Do the math for: 142.5, 145, and 147.5.

love_to_love_you · Answer

114000, 116000, 118000

royalranger · Answer

So what is the error in kinetic energy?

love_to_love_you · Answer

How do you find it?