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A 3.5-kg mass has an initial velocity of 4 m/s . How much force is required to increase the velocity of the mass to 8 m/s in 3 ?
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A 3.5-kg mass has an initial velocity of 4 m/s . How much force is required to increase the velocity of the mass to 8 m/s in 3 ?

User Franklin Piat
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4.8k points

1 Answer

6 votes

Answer:

4.67N

Step-by-step explanation:

F = M(V - U /t

Mass M = 3.5kg

Final velocity v = 8m/s

Initial velocity u = 4m/s

t = 3 secs

Therefore,

F = 3.5(8 - 4) /3

= 3.5 (4) /3

= 3.5 x 4 /3

= 14/3

= 4.67N

User Tom Feiner
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4.8k points
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