1 / 4

Warmup Dec 3

Warmup Dec 3. Show how to convert from pounds (lb) to Newtons (N). What is the single number you end up multiplying by to get from lb to N in one step?.

ryan-page
Download Presentation

Warmup Dec 3

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Warmup Dec 3 Show how to convert from pounds (lb) to Newtons (N). What is the single number you end up multiplying by to get from lb to N in one step?

  2. Many mountain roads are built so that they zigzag up the mountain rather than go straight up toward the peak. Discuss the advantages of such a design from the viewpoint of energy conservation and power. Warmup: Dec 5 Recall our definition of power: Power = Work/time

  3. Work and Power Work – Energy Transfer Equation for work: W = F d Units of work: Joules (J) Power – Rate of Energy Transfer Equation for power: P = W/t Units of power: Watts (W) Power/746 W = hp

  4. Warmup: Dec 6 Write the equation for momentum and kinetic energy: p = mv and KE = (1/2)*mv2 If an object is not moving, what is its momentum? If a particle’s kinetic energy is zero, what is its momentum? If two particles have equal kinetic energies, do they have the same momentum? Explain.

More Related