- the kinetic
energy of a tennis ball moving at 23 km / h (14 mph).
Not exact matches
«If you take a
tennis ball and you throw it against a wall, you don't expect it to come back with more
energy,» says Silke Weinfurtner
of the University
of Nottingham in England, who led the study.
He has lots
of energy, loves to take daily walks and chase
tennis balls.
Consider investing in a
tennis -
ball thrower: this is a great way
of playing with your dog, as well as chalking up the necessary miles (without you having to expend an unnatural amount
of energy doing so!).