Copy link MULTIPLE CHOICE QUESTIO
Where is the force of Gravity stronger?
neither
far from earth
close to earth

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Asheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200oc and is permitted to achieve a steady-state diffusion condition. the diffusion coefficient for nitrogen in steel at this temperature is 6 x 10- 11 m2 /s, and the diffusion flux is found to be 1.2 x 10-7 kg/m2 -s. also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3 . how far into the sheet from this high-pressure side will the concentration be 2.0 kg/m3 ? assume a linear concentration profile.

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?