An aluminium bar is 3.25m long and has a diameter of 25mm. if the temperature difference between the ends is 250°c, find the rate of heat transfer along the bar. (where the thermal conductivity for al is 205w/m°c) is it 5.67 w, 7.74 w, or 10.5 w?

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground