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Author Question: A solar panel measures 80 cm 50 cm. In direct sunlight, the panel delivers 4.8 A at 15 V. If the ... (Read 78 times)

DelorasTo

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on: Jul 28, 2018
A solar panel measures 80 cm  50 cm. In direct sunlight, the panel delivers 4.8 A at 15 V. If the intensity of sunlight is 1000 W/m2, what is the efficiency of the solar panel in converting solar energy into electrical energy?
 a. 12
  c. 18
  b. 24
  d. 6.0

Question 2

A turntable has a moment of inertia of 3.00  10-2 kgm2 and spins freely on a frictionless bearing at 25.0 rev/min. A 0.600-kg ball of putty is dropped vertically onto the turntable and sticks at a point 0.100 m from the center. What is the new rate of rotation of the system?
 a. 20.8 rev/min
  c. 33.3 rev/min
  b. 22.7 rev/min
  d. 27.2 rev/min


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matt

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


DelorasTo

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Reply 2 on: Jul 28, 2018
Gracias!

coreycathey

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Reply 3 on: Yesterday
Wow, this really help

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