When  two plates pull apart from one another, what is likely to happen there? a. subduction b. volcanic activity c. mountain building d. transform movement

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.