New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

The Great Ideas of Physics

by: Dovie Bednar

The Great Ideas of Physics PHYS 110G

Marketplace > New Mexico State University > Physics 2 > PHYS 110G > The Great Ideas of Physics
Dovie Bednar
GPA 3.52

James Ni

Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

James Ni
Class Notes
25 ?




Popular in Course

Popular in Physics 2

This 0 page Class Notes was uploaded by Dovie Bednar on Sunday November 1, 2015. The Class Notes belongs to PHYS 110G at New Mexico State University taught by James Ni in Fall. Since its upload, it has received 23 views. For similar materials see /class/233195/phys-110g-new-mexico-state-university in Physics 2 at New Mexico State University.


Reviews for The Great Ideas of Physics


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 11/01/15
Homework 6 Chapter 7 Conceptual Questions LAD LAN Directly because then no heat engine is involved Electricity from a coal red generating plant because such a plant is about 40 ef cient while a car engine is only 1015 ef cient Table 71 According to Figure 720 the overall ef ciency is 900 2500 or 36 Thus 36 tons go to electricity while 64 tons are wasted as exhaust thermal energy 15 kgs x 3600 shour x 24 hrday 1300000 kgday 1300 tonnes per day No for example it stayed about level during 193035 About 150 GkWh billion kilowatt hours in 1935 about 350 GkW h in 1945 600 GkW h in 1955 1100 GkW h in 1965 2000 GkWh in 1975 Each of these numbers is roughly twice the preceding number so the growth is roughly exponential Firewood wind water behind a dam ocean thermal Chapter 7 Problems 1 N V39 05 00 0 eff Work output ThermE input so ThermE input Work e 2000 J 03 6670 J eff Work output ThermE input so Work Therm E input x eff 02 15x 106J3x 105 J The actual ef ciency is work output total energy input 1000J 750 J 1000J 250J1000J 25 From Table 71 ideal eff 018 eff Work out ThermE in so Work ThermE in x eff 500x 106Jx01890x 106 J From Table 73 the car averages 20 mi gal Thus the amount of gasoline used is 2800 mi 20 migal 140 gal By air at 34 migal Table 74 you use 82 gal By bus at 76 migal you use 37 gal By train at 144 mi gal you use 19 gal The football elds area is 100 m x 30 m 3000 m2 So solar energy strikes a football eld at an average rate of 200 wattsm2 x 3000 m2 600000 watts Chapter 8 Conceptual Questions gt1 No because the water itself actually moves downhill Yes The medium is the wheat Onehalf second later all the ripples will have moved outward by 12 wavelength so crests will be replaced by valleys and valleys will be replaced by crests One second later the surface will look just like it looks in the photo Chapter 8 Problems N 5 6 Its frequency would halve because it would take twice as long for each complete wavelength to pass If you halved the wavelength the frequency would double FM has the highest frequency The FM frequency will be 100 higher larger than the AM frequency f 13 wavess 13 Hz sf l3HZX15m5ms 10 3X108106Hz300m


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Amaris Trozzo George Washington University

"I made $350 in just two days after posting my first study guide."

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Parker Thompson 500 Startups

"It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.