A golfer puts 2,046 J of kinetic energy into his golf club, which has a mass of 0.6 kg. What is the speed of the golf club?

1 Answer
Al E.
Feb 24, 2018

The golfer converts chemical energy into mechanical energy to swing his club and thus give it kinetic energy.

Recall,

#"KE" = 1/2mnu^2#

Hence,

#nu = sqrt((2* "KE")/m) approx (3*10^2"m")/"s"#

is the (rounded for significant figures) velocity of the club.

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