The drift velocity of free electrons in a copper wire is 6 mm/s. Find the electric field in the conductor. Copper’s resistivity is 1.69 × 10−8 Ω · m and the free electron density is 8.48 × 1028 /m3 . The fundamental charge is 1.602 × 10−19 C. Answer in units of N/C.

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next