What is the frequency of a wave that passes a given point 22 times in 2.0 seconds? a. 44 hz b. 11 hz c. 0.091 s d. 24 s

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

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

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction