4 years ago

picture a ball traveling at a constant speed around the inside of a circular structure. is the ball accelerating? explain

1 answer:

5 0

Yes. On a circular path, the direction of motion is constantly changing. Change of direction is acceleration, even at constant speed.

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allochka39001 [22]

Answer:

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Step-by-step explanation:

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4 years ago

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Dmitry_Shevchenko [17]

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3 years ago

a cylinder has a circumgerence of 12pi cm and a height that is half the radius. what is the total surface

Anettt [7]

$\bf \textit{circumference of a circle}\\\\
C=2\pi r\quad 
\begin{cases}
r=radius\\
-----\\
C=12\pi 
\end{cases}\implies 12\pi =2\pi r\implies \cfrac{12\pi }{2\pi }=r\implies 6=r\\\\
-------------------------------\\\\
\textit{total surface of a cylinder}\\\\
S=2\pi r(h+r)\quad 
\begin{cases}
r=6\\
h=\stackrel{half~of~r}{3}
\end{cases}\implies S= 2\pi (6)(3+6)$

and surely you know how much that is.

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4 years ago

5x+136=180<br> Find the value of x

Gnesinka [82]

5x+136=180
5x=44
x=8.8

7 0

3 years ago

Help please!!!!!!!!!!

german

Answer:

52/15 or 3 7/15

Step-by-step explanation:

2 3/5 divide 3/4

13/5 divide 3/4

13 x 4/5 x 3

52/15

3 7/15

5 0

3 years ago

Read 2 more answers