a spring can be stretched up to its breaking point by a constant force of 3N, 40cm length of the spring is streched through 0.7cm by a force of 0.8N. what will be it's new length when a force of 4N is applied?​

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.