Acart with mass 55kg is being pushed to the right with a force of 100n. the friction between the cart and the ground is 70n. find the normal force, finde the net force , find acceleration

Which feature of a heating curve indicates a change ofn state

If we relied solely on the nonrenewable resources found in the u. s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?