Find the momentum of the bus (#5) if it has 60 passengers with a mass of 30 kg each and still moving at a velocity of 80 m/s east. (Hint: Find the total mass first, then calculate momentum).

Amachine, modeled as a simple spring-mass system, oscillates in simple harmonic motion. its acceleration is measured to have an amplitude of 5,000 mm/s with a fre- quency of 10 hz. compute the maximum displacement the machine undergoes during this oscillation.

How would a small bar magnet be oriented when placed at position x?

Explain why you think this diagram shows what happened to the carbon in the biodome.