FlipIt for College Physics (Algebra Version - Six Months Access)
17th Edition
ISBN: 9781319032432
Author: Todd Ruskell
Publisher: W.H. Freeman & Co
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Chapter 2, Problem 44QAP
To determine
Time required for each leg of the trip, average speed for the overall trip and average speed without the layover
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LECTURE HANDOUT: REFRACTION OF LIGHT
I. Review
Each of the diagrams at right shows a ray incident on a
boundary between two media.
Continue each of the rays into the second medium.
Using a dashed line, also draw the path that the wave
would have taken if it had continued without
"bending."
Does the ray representing a wave "bend" toward or
away from the normal when:
the wave speed is smaller in the second medium?
⚫the wave speed is larger in the second medium?
Faster medium
Slower medium
Slower medium
Faster medium
II. Qualitative applications of refraction
A. Place a coin at the bottom of an empty can or cup. Look into the cup at the coin while your partner
slowly moves the can away from you until you no longer see the coin. Now, keep your head steady
while your partner gently pours water into the cup.
1. Describe your observations. Switch roles with your partner so that you each have a turn.
Shown below are cross-sectional diagrams of the cup for when it was empty and when it was…
Problem Six. A 70 kg student in the figure balances a 1200 kg elephant
on a hydraulic lift with diameter 2.0 m that is filled with oil which has a
density of 900 kg/m³. How many 80 kg students would have to stand on
the first piston in order to raise the elephant by 2.55 m?
80 kg
1200 kg
17.)
(A) 5
(D) 8
(B) 6
(E) 9
(C) 7
Oil
2.0 m
5
In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length
of 4.52/cm. The rod moves to the left at v = 5 m/s. If B = 0.3 T everywhere in the region, what is
the current in the circuit (a) when a = 6.5 cm? (b) when a = 4 cm?
Chapter 2 Solutions
FlipIt for College Physics (Algebra Version - Six Months Access)
Ch. 2 - Prob. 1QAPCh. 2 - Prob. 2QAPCh. 2 - Prob. 3QAPCh. 2 - Prob. 4QAPCh. 2 - Prob. 5QAPCh. 2 - Prob. 6QAPCh. 2 - Prob. 7QAPCh. 2 - Prob. 8QAPCh. 2 - Prob. 9QAPCh. 2 - Prob. 10QAP
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