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If a ball is given an acceleration of 3.0 meters/second2 while being pushed with a force of 0.75 newtons, what is the mass of the ball?

A. 0.13 kilograms
B. 0.25 kilograms
C. 0.50 kilograms
D. 0.75 kilograms
E. 0.35 kilograms

Respuesta :

AL2006

Force = (mass) x (acceleration) <== Memorize this !

0.75 Newtons = (mass) x (3.0 m/s²)

Divide each side by (3.0 m/s²).  Then it says

(mass) = (0.75 Newtons) / (3.0 m/s²)

(mass) = (0.75 / 3.0) kg

(mass) = 0.25 kg  (B)

dullah

Your answer would be (b) because when you substitute in the equation F=ma, you get 0.75=m(3) which gets you 0.25 for m.

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