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anyanavicka [17]
2 years ago
12

For an object to appear red, what must happen?

Physics
1 answer:
Lapatulllka [165]2 years ago
3 0

Answer:

<h2><em><u>C. It must reflect red light wavel</u></em></h2>

Explanation:

<em>The color of the object is reflected by the object other colors are absorbed by the object.</em>

Here <em>object appears in red color so red color is reflected by the object and other colors are absorbed.</em>

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If 12 coulombs of electric charge pass a point in 4.0
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Answer:

AS

Explanation:

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3 years ago
A 0.70kW vacuum cleaner is used for 20 minutes. How much energy does it use? Give your answer in
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7 0
3 years ago
Read 2 more answers
Recall that the blocks can only move along the x axis. the x components of their velocities at a certain moment are v1x and v2x.
Contact [7]
The center of mass is given with this formula:
x_c=\frac{\sum_{n=1}^{n=i}m_ix_i}{M}
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v=\frac{dv}{dt}
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\frac{dx_c}{dt}=\frac{\sum_{n=1}^{n=i}d(m_ix_i)}{Mdt}\\&#10;v_c=\frac{\sum_{n=1}^{n=i}p_i}{M}\\
In our case it is:
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5 0
3 years ago
The energy emitted from the sun is a product of ________.
Tamiku [17]
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3 years ago
The Hall effect can be used to calculate the charge-carrier number density in a conductor. A conductor carrying current of 2.0 A
marysya [2.9K]

Answer:

option D

Explanation:

given,

A conductor is carrying current = 2.0 A is 0.5 mm thick

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uniform magnetic field  =  1.2 T

density of the charge = n =?

hall voltage =V_h =\dfrac{i\ B}{n\ e\ L}

n = \dfrac{i\ B}{V\ e\ L}

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7 0
3 years ago
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