Ipunch myself really hard. does that make me strong or weak?

Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

Determine the maximum r-value of the polar equation r =3+3 cos 0