Question #279382

A stone has a mass of 5kg. If it takes the stone 4 sec to fall freely to the ground, calculate it's initial height above the ground, and the force with which the stone hit the ground.


1
Expert's answer
2021-12-15T11:18:37-0500

m=5kgt=4sech=gt22=9,81422=78,48mF=maa=gt=9,814=36,72m/s2F=36,725=183,6N\begin{array}{l} m=5 kg \\ t=4 sec \\ h=\frac{g t^{2}}{2}=\frac{9,81 \cdot 4^{2}}{2}=78,48 m \\ F=m \cdot a \\ a=g \cdot t=9,81 \cdot 4=36,72 m / s ^{2} \\ F=36,72 \cdot 5=183,6 N \end{array}


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!
LATEST TUTORIALS
APPROVED BY CLIENTS