PLS HELP :) b. Momentum = mass x velocity [velocity = distance/ time]
Fundamental Quantity =
Fundamental Quantity Unit =
Quantity Unit Symbol =
S I Unit for Momentum =
S I Unit in words =

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

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

Which describes increasing the efficiency of energy resource