Tory experiment with pulleys and physics class do you apply 70 N of force to a single pulley to lift a bowling ball by adding another pulley so get a mechanical advantage or two W. a medium and put forestall need to leave the bar she has another polley

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b. what is the wavelength of the wave? c. what is the amplitude of the magnetic field? d. what is the intensity of the wave?

What is the moment of inertia i of this assembly about the axis through which it is pivoted? express the moment of inertia in terms of mr