When you're involved in a head-on collision with another car, the force of impact will involve: a. only the kinetic energy of the heavier car b. only the kinetic energy of the lighter car c. the combined kinetic energy of both cars

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Ab+c --> ac+b is the general equation for which one of the following types of chemical reactions? a.) combination b.) single-displacement c.) decomposition d.) double-displacement

In which situation is maximum work considered to be done by a force? a. the angle between the force and displacement is 180°. b. the angle between the force and displacement is 90°. c. the angle between the force and displacement is 60°. d. the angle between the force and displacement is 45°. e. the angle between the force and displacement is 0°.