A2-kg collar is released from rest at a and slides down the inclined fixed rod in the vertical plane. the coefficient of kinetic friction is 0.40. calculate (a) the velocity v of the collar as it strikes the spring and (b) the maximum deflection x of the spring.

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

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.

What is the angular momentum of the bar about the axle?