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r-ruslan [8.4K]
3 years ago
6

The ____________________ (Newton/Kelvin) is the SI unit for temperature.

Physics
1 answer:
erastova [34]3 years ago
4 0
The si unit for temperature is Kelvin(k)
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A rocket-launching vehicle is moving forward at a constant velocity of 5 m/s. a cannon on the vehicle shoots a shell straight up
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For any object thrown upwards where only the force of gravity is acting upon it, uses the following formula for the maximum height attained.

H= v²/2g, where g = 9.81 m/s²

There are two information of velocities are given. However, we use the 20 m/s information because this is the launch velocity. Hence, the solution is as follows:

H = (20 m/s)²/2(9.81 m/s²)
<em>H = 20.4 m</em>
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3 years ago
Battery life is what distinguishes one type of mobile computer from another.
BlackZzzverrR [31]
I think the statement is false. It is not only the battery life that would distinguish one type of mobile computer from another. There are other aspects that would characterize every mobile computer. It could be the brand, the size, the operating system, the hardware specifications like the RAM, processor and the video card. Every mobile computer would vary depending on the brand, model and intended use.
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The volume of a cuboid is the product of its length, breadth, and height. Give a possible metric unit for the volume. Is the uni
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2 years ago
How does a positive ion differ from an uncharged atom of the same element?
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8 0
3 years ago
Read 2 more answers
A dentist uses a concave mirror to examine a tooth that is 1cm in front of the mirror. The image of the tooth forms 10cm behind
iragen [17]

a) The mirror's radius of curvature will be 2.7 cm

B)  The magnification of the image will be 4.0.

<h3>What is a concave mirror?</h3>

When a hollow spherical is divided into pieces and the exterior surface of each cut portion is painted, it forms a mirror, with the inner surface reflecting the light.

From the mirror equation;

\frac{1}{p}+\frac{1}{q}  =\frac{1}{f} \\\\ \frac{1}{1}+\frac{1}{-10}  =\frac{1}{f} \\\\ \frac{1}{f} = 1-\frac{1}{10} \\\\  \frac{1}{f} = \frac{9}{10} \\\\ f= 1.1111

Hence,

The radius of curvature is twice of the focal length;

\rm R = 2f \\\\ \rm R = 2\times 1.111 \\\\ R=2.2222 \  cm

Hence, the mirror's radius of curvature will be 2.7 cm.

The magnification factor is found as;

\rm  m = \frac{-q}{p} \\\\ m = \frac{-(-10)}{1} \\\\ m = 10

Hence, the magnification of the image will be 4.0.

To learn more about the concave mirror, refer to the link;

brainly.com/question/25937699

#SPJ1

8 0
2 years ago
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