1.

A tennis racket hits a sand-filled tennis ball with a force of 5.5 N. While the 0.4 kg ball is in contact with the racket, what is its acceleration?

Answer»

ANSWER:

FORCE =F= 5.5 N

mass = 0.4 kg

...

then wkt

F =MA

A=F/M

A= 5.5 / 0.4 = 55 /4 =13.75 METERE /sec square



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