You have calculated that the sun's surface temperature is 300 kelvin. what is the average body temperature of a person?

In which of the following is positive work done by a person on a suitcase

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?