According to the law of conservation of energy, when a motorcycle uses 5500 j of chemical energy from gasoline, how much of this energy will be transformed into mechanical, sound, or heat energy?

a.5500 j

b.1375 j

c.11,000 j

d.2750 j

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class