Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.After the dropped box hits the floor, its kinetic energy is converted into ____________
Fill in the blank(s) with correct word
internal energy
You might also like to view...
An airplane is traveling 835 km h in a direction 41.5 degree west of north.
(a) Find the components of the velocity vector in the northerly and westerly directions.
(b) How far north and how far west has the plane traveled after 2.50 h?
A certain metal has a coefficient of linear expansion of 2.00 × 10-5 K-1. It has been kept in a laboratory oven at 325°C for a long time. It is now removed from the oven and placed in a freezer at -145°C
After it has reached freezer temperature, the percent change in its density during this process is closest to A) +2.90%. B) -2.90%. C) +2.74%. D) -2.74%. E) It is not possible to tell without knowing the mass and original volume of the metal.
A swimmer swims 20 laps in a north-south facing pool in 7.00 minutes. Her first lap is toward the north. Her displacement and average velocity are
a. 0; 0. b. 0; 2.38 m/s, south. c. 0; 2.38 m/s, north. d. 1 000 m, south; 2.38 m/s, south. e. 1 000 m, north; 2.38 m/s, north.
A gasoline engine with an efficiency of 32.6% operates between a high temperature T1 and a low temperature T2 = 320 K. If this engine operates with Carnot efficiency, what is the high-side temperature T1?
a. 980 K b. 700 K c. 1 050 K d. 480 K e. 220 K