The current in a wire is 2.00 A. How much time is needed for 2 mole of electrons to pass a point in the wire? A. 13.4 h
B. 26.8 h
C. 16.7 h
D. 11.8 h

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Avoltaic cell converts chemical energy to

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is