What capacitance is required to store an energy of 10kw. h at a potential difference of 1000v?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

If a nissan titan has a mass of 2,300 kilograms how many grams is that

Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?