A gasoline engine has a power output of 240 hphp . Its thermal efficiency is 28.0 %% . How much heat is discarded by the engine per second

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.