What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k = 8.99 * 109 N • ___ V What is the electric potential at a distance of 99 m from the charge?___ V

A student rides his skateboard for 10 minutes and travels 1.2 miles. If the skateboarder wants to go 5 miles, how much time should it take if he maintains his speed?

Batteries should only be removed from the premises by a licensed battery hauler for recycling. A) True B) False

A car traveling at a velocity v can stop in a minimum distance d. What would be the car's minimum stopping distance if it were traveling at a velocity of 2v? a. 4d b. 2d c. 8d d. √2 d e. d

What evidence shows that our universe is expanding?

What is the weight of a 45 kg box? N

A block sliding along a horizontal frictionless surface with speed v collides with a spring and compresses it by 2.0 cm. What will be the compression if the same block collides with the spring at a speed of 2v?

How does work get affected when a object is lifted up instead of using a ramp

Choose the correct statement. a. Usually, when one form of energy is converted to another, no energy is wasted. b. The total amount of energy in the universe is gradually decreasing. c. This statement illustrates the first law of thermodynamics. d.

A 10 cm3 block of paraffin (a type of wax) weighs 0. 085 N. It is carefully submerged in a container of gasoline. One cm3 of gasoline weighs 0.0069 N. a. What is the weight of the gasoline displaced by the paraffin? b.

What is a device made by joining two different materials to form a circuit that produces an electric current? a. convertor b. resistor c. semiconductor d. thermocouple