Which factors affect absorption and reflection of thermal energy? Check all that apply.

A. color of the material

B. mass of the material

C. texture of the material

D. volume of the material

E. weight of the material

How does resistance affect current flow in a circuit

Which of these is a velocity quantity? A. work B. mass C. force D. temperature

A 12-V battery is connected to a device and 24 mA (24 x 10' Amps) of current flows through it. If the device obeys Ohm's law, how much current will flow when a 24-V battery is used?

Two small metallic spheres with equal mass are suspended as pendulums by strings of length L. The spheres have the same electric charge and come to equilibrium with each string at an angle of Θ = 10.00° with the vertical.

A test taker makes an estimate for a 30-second time interval. The estimate is 34.5 seconds. What is the percent error in this example?

An automotive research facility is testing a new design on bumpers to determine the force at which it will break.

Gravity is greater when there is

A gas has a volume of 6 L, a temperature of 70 degrees C, and a pressure of 2 atm. If the gas is compressed to a volume of 4 L, and the pressure increases to 5 atm, what will be the new temperature of the gas?

When looking at the Impulse of an object during a collision, we often use "average force"? When an object hits something, is the force on an object changing? Explain.

Which of the following is a FALSE statement about acceleration?