Five independent measurements are made of the diameter of a cylinder. Results, in mm, are: 21.8; 21.6; 22.1; 21.9; 22.1. What should be the reported value of the cylinder’s diameter?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.