38. a worker pulls a 350-n packing crate at constant velocity across a rough floor by exerting a force f = 200.0 n at an angle of 30.0° above the horizontal. what is the coefficient of kinetic friction of the floor?

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

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7