A force of 25.0 N is applied to an object of mass 5.0 kg. The object covers a distance of 10.0 m. Calculate the work done when the direction of the applied force is same as the direction of motion. Calculate the amount of force required if the same amount of work is to be performed, when the force is applied at an angle of 30˚, 60˚, 75˚. Compare these values and comment on your observation.

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u

Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.