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Select all of the following that are correct about mechanical waves.
a They can be transverse. b They can propagate in a vacuum.
1 answer
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Anonymous ;)
85 views
On a guitar, the longest string vibrates slowly, and the shortest string vibrates very quickly. What conclusion can be made
1 answer
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Anonymous ;)
96 views
Airport security uses electromagnetic waves to see items inside of luggage without having to open the bags. Which type of
1 answer
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Anonymous ;)
165 views
Mac and Suzanne cut holes in the bottom of two cups and connect them with a string. When Mac whispers into one cup, Suzanne can
1 answer
asked by
Anonymous ;)
96 views
Correctly order the parts of the electromagnetic spectrum from shortest wavelength to longest wavelength.
Reorder answers 1.radio
1 answer
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Anonymous ;)
101 views
Light will travel in a
Responses curve until it enters a different medium. curve until it enters a different medium. broken line
1 answer
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Anonymous ;)
108 views
In a vacuum, all electromagnetic waves have the same
: Responses wavelength. wavelength. speed. speed. amplitude. amplitude.
1 answer
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Anonymous ;)
78 views
Which statement is correct about electromagnetic and mechanical waves?
Responses Electromagnetic waves move much slower than
1 answer
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Anonymous ;)
120 views
Question
Which of the following is true of frequency and volume? Responses The frequency is not affected as the volume of sound
1 answer
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Anonymous ;)
65 views
he table shows the speed of sound in four substances.
Which substance has the greatest density? Responses water water copper
1 answer
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Anonymous ;)
98 views
Which statement is correct about electromagnetic and mechanical waves?
Responses Electromagnetic waves move much slower than
1 answer
asked by
Anonymous ;)
162 views
A student is investigating two types of waves. Which question can the student ask to determine whether a wave is
3 answers
asked by
Anonymous ;)
128 views
The diagram below shows a wave with a distance of 6 meters between points A and B.
What is the wavelength of this wave? Responses
1 answer
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Anonymous ;)
115 views
Mariana conducted an experiment where she burned a 5 g strip of magnesium metal in an open flame. The result was a 3.5 g white
1 answer
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Anonymous ;)
167 views
Question 3 (1 point)
How many atoms of chlorine (Cl) are in a molecule of phosphorus trichloride, PCl3? a 0 b 1 c 2 d 3
1 answer
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Anonymous ;)
141 views
Question 5 (1 point)
ee91b5be-47bb-4535-812b-81e1aa01c67f What element is shown below? 4c15b50d-08f6-44a0-9a4d-85f5d288cc54 a
3 answers
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Anonymous ;)
104 views
What unit is force measured in?
a newtons b kilograms c pounds d joules
1 answer
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Anonymous ;)
118 views
What types of objects exert gravitational force?
a Objects exert a gravitational force only on objects close to them. b Only
1 answer
asked by
Anonymous ;)
190 views
What two variables determine the gravitational force between two objects?
a speed and distance b mass and distance c mass and
1 answer
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Anonymous ;)
81 views
Rosa uses a spring scale to pull a cart along a track for 2 meters. The spring scale shows the force exerted on the cart while
1 answer
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Anonymous ;)
82 views
An electric fan is plugged into an outlet and the circuit completed, making the fan blades spin. Which of the following
1 answer
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Anonymous ;)
125 views
An energy transfer is shown below.
What type of energy transfer is shown in this image? Responses chemical to mechanical chemical
4 answers
asked by
Anonymous ;)
193 views
Choose if each statement is True or False.
{(1, 2), (3, 6), (4, -7), (6, -10)} is a function: {(1,1), (2, 2), (3, 3), (4,4)} is a
2 answers
asked by
Anonymous ;)
88 views
Fill in the blanks to make the table below coordinates of a Linear Function.
x y 0 5 1 9 2 13 3
1 answer
asked by
Anonymous ;)
126 views
Which device uses mechanical energy to produce electrical energy?
a Generator b Magnet c Solar Cell d Electric Motor
6 answers
asked by
Anonymous ;)
93 views
What could be done INCREASE the acceleration on the dog sled?
iconoriginal.jpg?AWSAccessKeyId=AKIA5LQSO4AXIHKV2NEC&Expires=214748
4 answers
asked by
Anonymous ;)
327 views
What are the action and reaction forces at work in this picture?
Responses gravity is pulling the book downward gravity is
1 answer
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Anonymous ;)
194 views
Paul sprinkles iron filings onto a piece of paper near a bar magnet. The iron filings quickly become arranged in a pattern all
4 answers
asked by
Anonymous ;)
349 views
A student is investigating the distribution of charges in insulators. The student will place an aluminum metal can on top of a
1 answer
asked by
Anonymous ;)
373 views
When a plastic rod is rubbed with a wool cloth, the wool acquires a positive charge. What is the best explanation for this
1 answer
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Anonymous ;)
248 views
A mechanic dropped a bolt he needed to repair a car motor. He decided to make a simple electromagnet to try to attract the metal
1 answer
asked by
Anonymous ;)
300 views
What is responsible for the distribution of charge in conductors and insulators?
a electron movement b number of electrons c
3 answers
asked by
Anonymous ;)
172 views
When combing one's hair, the comb becomes positively charged. What happens to the hair being combed?
Responses It becomes
4 answers
asked by
Anonymous ;)
215 views
A student is investigating what happens when a neutral metal sphere sitting on an insulated stand is touched by a negatively
3 answers
asked by
Anonymous ;)
128 views
Which Roman officials made sure laws were followed?
* 1 point Senators Orators Magistrates Dictators
2 answers
asked by
I
84 views
which example represents a class 2 lever
a screwdriver opening a paint can tweezers plucking hairs salad tongs picking up salad a
7 answers
asked by
Wafie
320 views
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