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3. A shot-putter exerts an unbalanced force of 140 N on a shot with a velocity of 5m/s over 2 seconds. What is the mass of the shot? (2 parts: find acceleration first,then mass)…

3. A shot-putter exerts an unbalanced force of 140 N on a shot with a velocity of 5m/s over 2 seconds. What is the mass of the shot? (2 parts: find acceleration first,then mass)…
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3. A shot-putter exerts an unbalanced force of 140 N on a shot with a velocity of 5m/s over 2 seconds. What is the mass of the shot? (2 parts: find acceleration first,then mass)

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User Jportway
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\begin{gathered} v=5\text{ m/s} \\ t=2\text{ s} \\ F=140N \\ m=\text{?} \\ F=\text{ ma} \\ \text{Solving m} \\ m=(F)/(a) \\ \text{but} \\ a=(v)/(t) \\ a=\frac{5\text{ m/s}}{2s} \\ a=2.5m/s^2 \\ \text{Hence} \\ m=(140N)/(2.5m/s^2) \\ m=56\operatorname{kg} \\ \text{The mass is 56 kg} \end{gathered}

3. A shot-putter exerts an unbalanced force of 140 N on a shot with a velocity of-example-1
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User Redwarp
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