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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Pls help ASAP. Pls help on both I BEG.

Transcribed Image Text:10.
What is the approximate cost of operating a 80 W light bulb for 3.0 h per day for 2 weeks, if
theprice of electrical energy is 6¢/kWh?
a. $20.00
b. $5.00
c. 20¢
d. 5¢
Two forces are acting on a 5 kg mass. One of the forces is 10 N south and the other is 15 N east.
The magnitude of the acceleration of the mass is
a. 25 m/s²
b. 5 m/s²
c. 3.6 m/s²
d. 18 m/s²
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