1. Between points v0 and v4 describe what is happening to momentum and impulse. 2. Between the points v4 and v8 describe what is happening to momentum and impulse.

3. Calculate the impulse between V0 and V4 for a 50kg object. Show your work and equations.

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j

What happens when the vapor pressure of a liquid is equal to the external pressure?