Aperson weighs 857 n on the surface of earth and 5320 n on the surface of another planet. what is the acceleration due to gravity on that planet? a. 44.4 m/s^2 b. 69.9 m/s^2 c. 52.9 m/s^2 d. 60.8 m/s^2

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element

Athin nonconducting rod with a uniform distribution of positive charge q is bent into a circle of radius r. the central perpendicular axis through the ring is a z-axis, with the origin at the center of the ring. a) what is the magnitude of the electric field due to the rod at z = 0? n/c (b) what is the magnitude of the electric field due to the rod at z = infinity? n/c (c) in terms of r, at what positive value of z is that magnitude maximum? r (d) if r = 4.00 cm and q = 9.00 µc, what is the maximum magnitude? n/c