What’s the force of a pitching machine on a baseball? Baseballs pitched by a machine have a horizontal velocity of 30 meters/second. The machine accelerates the baseball from 0 meters/second to 30 meters/second in 0.5 seconds. If a baseball has a mass of 0.15 kilograms, the force the machine exerts is blank newtons. Use F = ma, where .

The Machine exerts a force of 9N.

Explanation:

Inital velocity (u) = 0 m/s

Final velocity (v) = 30 m/s

Time (t) = 0.5 s

Acceleration (a) = (v-u)/t

= (30-0)/0.5 m/s2

= 60 m/s2

Mass = 0.15 kg

Force = Mass*Acceleration

= 0.15*60 N

= 9 N

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