Starting With Energy Consider the image of the roller
coaster at the top of a hill. As the
car climbs up the track, it gains
potential energy. As it rolls down,
the energy is transformed into
kinetic energy, energy of motion.
1. Why is energy required to get
an object moving?
Why is energy required to get an object moving?

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f