Tech A says that the one -way check valve prevents fuel flow from the underhood fuel system components into the fuel pump and tank whenthe engine is shut off. Tech B says that the one-way check valve prevents fuel flow from the pump to the fuel filter and fuel system if the engine stalls and ignition switch is on. who is correct?

a. Tech A
b. Tech B
c. Both A and B
d, Neither

The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

Acar travels 40m in 8 seconds find the car speed