High voltage power lines can carry over 300,000 volts, but a United States 2 points home is wired for 120 volts of electricity. What type of transformer is
needed to go from the high voltage power line to the power used inside a
home?

Work = force × a. work b. energy c. distance d. momentum

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?

An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )