Write a few sentences comparing three different kinds of circuits: complete, open, and short circuits.

Modify the equation fδt=δ (mv) to find the force of friction.

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.