- #1
toljin123
- 1
- 0
Homework Statement
A body of mass 2kg performs circular motion about a point O. The radius of the circle is 0.4m and the mass completes 20 revolutions per minute.Calculate:
1) the angular veloicty.
2)the linear velocity.
3) the centripetal acceleration,and
4) the kinetic energy
5) Draw a diagram showing the position vector, the velocity vector and acceleration vector at time t=0.5s
Answers for 1-4
1) = 2pi/3
2)(0.4) * (2pi/3) = 0.8377
3)(2pi/3)^2(0.4) = 1.754
4)1/2(2)(0.8377)^2 = 0.701 I have completed 1-4, but i having some trouble doing number 5. Any help would be great :)
Last edited: