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A net force of 15N acts upon a body of mass 3kg for 5s, calculate the change in the ...

A net force of 15N acts upon a body of mass 3kg for 5s, calculate the change in the speed of the body
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  • A 25.0ms-1
  • B 9.0ms-1
  • C 2.5ms-1
  • D 1.0ms-1
Correct Answer: Option C
Explanation:
Ft = M(v - u)
v - u = \(\frac{15 \times 5}{0.5} = 10N\)

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