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OleMash [197]
3 years ago
14

Help pleasee asaapp im lost

Mathematics
2 answers:
mamaluj [8]3 years ago
8 0

the answer to this problem is 153.9 or 154 because the equation for the area of a circle is PIE times R^2

avanturin [10]3 years ago
4 0

Answer:

C

Step-by-step explanation:

The area of a circle is pi * r^2.  The radius is 7 because the diameter is 14 so the radius is 14/2.  The square of 7 is 49.  Pi is approximately 3.14, so 49 * 3.14 is about 154.

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What is the potential energy of a 500kg elevator that is 4.0m high from the floor?
rodikova [14]

Answer:

<h2>19,600 J</h2>

Step-by-step explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

We have

PE = 500 × 9.8 × 4

We have the final answer as

<h3>19,600 J</h3>

Hope this helps you

6 0
2 years ago
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8 0
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