A car's position in relation to time is plotted on the graph. What can be said about the car during segment B? A) The car travels for 80 seconds during segment B. B) The car has come to a stop and has zero velocity. C) The car is traveling faster during segment B than in segment C. D) The car is traveling with a constant velocity due to the flat line of the graph.

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.

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

What is the relationship between the direction of motion of the balloon and the wind currents