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Iwannaknow
Questions and answers by
Iwannaknow
, page 2
Questions (117)
When the string on a violin vibrates, waves move in both directions along the string, interfering with each other. Sometimes
1 answer
112 views
Owls communicate using long-wavelength hoots, while songbirds use short-wavelength tweets. Which of the sounds can be heard over
4 answers
462 views
The number of wavelengths that pass a point each second is called __________.(1 point)
Which of the following is the best option?
1 answer
183 views
Consider the following list of properties. Which applies to light?
A: Mechanical wave B: Electromagnetic wave C: Travels in
4 answers
372 views
Which of the following statements about light is true?(1 point)
Which of the following is the best option? a) The speed of light
3 answers
295 views
How many polarized filters are needed minimally to block light intensity?(1 point)
Which of the following is the best option? a)
4 answers
284 views
Which color of light has the most energy and why?(1 point)
Which of the following is the best option? a) Red light has the most
3 answers
336 views
In what way is an image formed by a mirror inverted?(1 point)
Which of the following is the best option? a) From front to back b)
1 answer
186 views
The table shows the speed of ultrasound waves in different tissues in the human body.
Tissue Speed (m/s) Air 330 Fat 1,450 Water
3 answers
290 views
If a wave transfers from one medium to another medium with different properties, which statement is true?(1 point)
Which of the
1 answer
370 views
Match the Software type with the product.
1. Mac OS a) Educational Software b) Simulation Software c) Application Software d)
1 answer
236 views
The general form of a member of the reciprocal function family is Identify the values of a, h, and k in the given function.
y=
1 answer
176 views
The general form of a member of the reciprocal function family is Identify the values of a, h, and k in the given function.
y=
4 answers
161 views
The general form of a member of the reciprocal function family is Identify the values of a, h, and k in the given function.
y=
1 answer
121 views
x - 2/x + 3 + 10x/ x^2 - 9
State any restrictions on the variables.
1 answer
79 views
What is the product in simplest form? State any restrictions on the variable.
x^2 + 7x + 10/x + 3 * x^2 - 3x - 18/x^2 + x - 2
1 answer
110 views
What is the product in simplest form? State any restrictions on the variable.
x^2 + 7x + 10/x + 3 * x^2 - 3x - 18/x^2 + x - 2
1 answer
136 views
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