The "Little Boy" nuclear bomb that was dropped on Hiroshima had a yield of 6.9 x 10^13 J. In order to
release this much energy, kg of the uranium-
235 used in the bomb was converted into energy.

Which changes of state do the labels represent? a: b: c:

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.