Which has the greasy momentum?

a.) a 80 kg police officer walking at +2 m/s
b.) a 35 kg golden retriever moving at + 5 m/s
c.) a 1 kg meteor falling with a velocity of + 170 m/s
d.) a 4 kg physics textbook sliding across a table at + 15 m/s

In a system, when potential energy decreases, then entropy also decreases. true false

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

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