Why does a smaller paper rocket get more distance than a larger one

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.

Which component of the earth’s atmosphere is decreased due to photosynthesis?

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block