4. The specific heats of some common substances are as follows: iron 450 J/(kg -°C) = sand 830 J/(kg °C) = = water 4,200 J/(kg °C) T metoert Which substance would gain the most in temperature by the addition of an equal amount of thermal energy to the same amount of each? A. sand B. iron C. water
4. The specific heats of some common substances are as follows: iron 450 J/(kg -°C) = sand 830 J/(kg °C) = = water 4,200 J/(kg °C) T metoert Which substance would gain the most in temperature by the addition of an equal amount of thermal energy to the same amount of each? A. sand B. iron C. water
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:4. The specific heats of some common substances are as follows:
iron = 450 J/(kg °C).
sand 830 J/(kg °C)
=
water 4,200 J/(kg °C)
=
T
meioert
Which substance would gain the most in temperature by the addition of an
equal amount of thermal energy to the same amount of each?
A. sand
B. iron
C. water
5. If you want to turn mechanical energy into electrical energy to power the lights
in your home, you should use
A. a generator.
B. an electromagnet.
C. a galvanometer.
6. How is electricity produced in most nuclear power plants?
A. They use the heat from fission reactions to produce steam to run turbines
that create electricity.
B. They produce electricity directly from fission reactions.
C. They use fusion reactions to generate electricity that can be sent directly to
your home.
7. Which of the following is a good description of the domains found in the south
pole of a bar magnet?
A. The domains have only south poles if they are in the south pole of a bar
magnet
B. The domains have only north poles if they are in the south pole of a bar
magnet.
tored
C. The domains have both north and south poles, regardless of which pole of
the bar magnet they are in.
8. Energy that is stored in something that can stretch or compress is elastic
kinetic energy.
A. True
B. False
023
vital in
asid
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