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timofeeve [1]
2 years ago
10

The chart below lists the densities of various gemstones. If a gemstone has a mass of 6.24 g and a volume of 1.98 cm cubed, whic

h gemstone is it
A. Opal
B. Diamond
C. Garnet
D. Topaz

Physics
1 answer:
xxMikexx [17]2 years ago
5 0

Answer:

C. Garnet

Explanation:

density = mass/volume

density = 6.24g/1.98cm^3

density = 3.15 g/cm^3 (Garnet)

Hope this helps!

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A force of 385 N is applied in pushing a stalled automobile at a constant speed for a distance of 150 m. How much work (in J) wa
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Answer:57,750J

Explanation:

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Sarah's mother gets a flat tire on her car while driving Sarah to school. They use a jack to change the tire. It exerts a force
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Answer:

1250 J

Explanation:

Work is said to be done when a force causes an object to move over a distance. The amount of work done (W) is calculated by multiplying the force by the distance traveled.

That is;

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Where;

W = work done (J or N/m)

F = force (N)

d = distance (m)

Based on the information provided in this question, F = 5000N, d = 0.25m

Hence;

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Therefore, 1250Joules of work is done by the jack.

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3 years ago
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3 years ago
What are some changes that can be caused. By sound energy
aleksley [76]

Answer:

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Unlike sound electromagnetic waves can travel trough empty space

hope these different answers help

4 0
3 years ago
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