A wave travels at a speed of 74 m/s. If the distance between crests is 12 m, what is the frequency of the wave? Use f
2
V
O A. 6.2 Hz
O B. 0.16 Hz
O c. 62 Hz
O D. 890 Hz

An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz

Aman tries to push a box of mass 4 kg with a force of 5 n but the box remains stationary if the coefficient of static friction is 0.45, what is the value of the maximum force of friction?

Write the equation for momentum, first using symbols for the variables, then using words for the variables.