Register
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)
142,737 views
2 votes
2 votes
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)

User Jportway
by
3.3k points

1 Answer

5 votes
5 votes

\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
User Redwarp
by
3.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.2m questions

4.1m answers

Other Questions

A charge Q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of length d. At a point P that is 1.25 cm outside the sheet, the magnitude of the electric
If you use 750 Newtons of force to accelerate an object to 3.1 m/s​ . What is the object’s mass?
ou are unloading a refrigerator from a delivery van. The ramp on the van is 5.0 m long, and its top end is 1.4 m above the ground. As the refrigerator moves down the ramp, you are on the down side of the
A 0.260 kg potato is tied to a string with length 2.50 m, and the other end of the string is tied to a rigid support. The potato is held straight out horizontally from the point of support, with the string
What atom accounts for 91% of all the sun's atoms
Link Copied!