A 2.65-kg block is tied to a string that is wrapped around the rim of a pulley of radius 6.72 cm. The block is released from rest. Assuming the pulley is a uniform disk with a mass of 0.540 kg, find the speed of the block after it has fallen through a height of 0.780 m.

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.

If forces acting on an object are unbalanced. true or false