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Komok [63]
4 years ago
13

Determine how long it will take an object to rotate through 20.0 revolutions at an angular velocity of 2.8 radians per second. U

se π=3.14. Round the answer to the nearest tenth.
Mathematics
1 answer:
Andreyy894 years ago
5 0
The conversion factor between radians and revolution as measures of angle is 2π rad is equal to 1 revolution. Converting the given angular velocity to rev/s,
                (2.8 rad) x (1 rev / 6.28 rad) = 70/157 revolution per second
Dividing the given angle, 20 rev by the velocity,
                                 (20 rev) / (70/157 rev/s) = 44 6/7 s
Thus, the answer is approximately 44.9 seconds. 
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How do you preform the indicated operation <br> 14 - (-10) ?
Gemiola [76]

Answer:

\Huge \boxed{24}

Step-by-step explanation:

To solve this problem, first you have to apply the rule of adding numbers from left to right.

\displaystyle -(-c)=c

\displaystyle 14+10

Then, add numbers from left to right.

\displaystyle 14+10=24

As a result, the correct is 24.

<h2>Hope this helps!</h2><h2 /><h2>Have a wonderful blessing day! :)</h2><h2 /><h2>Good luck! :)</h2>
7 0
3 years ago
An architect’s blueprint for a new house shows the kitchen being 7 inches wide. If the scale used to create the blueprint is 0.5
Roman55 [17]
You would do 7x0.5 which equals 3.5 ft :^)
7 0
3 years ago
How much more is 120hrs than 10 hours
Charra [1.4K]

Answer:

110 hours

Step-by-step explanation:

just you have to solve this and you willl get tge answer

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3 0
3 years ago
Express ( 3/2x-2)^2<br><br> as a trinomial in simplest form.
alexdok [17]

Answer:

9/4x^2 - 6x +4

Step-by-step explanation:

( 3/2x-2)^2

(3/2x-2)(3/2x-2)

9/4x^2 - 3x - 3x +4

9/4x^2 - 6x +4

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6 0
3 years ago
Read 2 more answers
Which is the best estimate to the nearest one percent of startfraction 7 over 15 endfraction?
ipn [44]

The best estimate to the nearest one percent of the fraction; 7/15 is; 47%.

<h3>What is the best estimate of the fraction to the nearest percent?</h3>

From the task content, it follows that the fraction given whose estimate is to be determined is; 7/15.

The fraction expressed as a percentage is;

(7/15) × 100 %

= 46.667%.

Hence, when rounded to the nearest one percent; = 47%.

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4 0
2 years ago
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