The number of waves that pass a given point in a second is___. 1- amplitude
2- wavelength
3- frequency
4- wave speed

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system