Rebekah6356
Answered

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Tomaz realized that the tip of a second hand on a clock rotates about the center of the clock. He watched the second hand rotate around the center of the clock for 15 seconds. Which describes the rotation he observed?
270 clockwise rotation
90 clockwise rotation
180 rotation
90 counterclockwise rotation

Sagot :

konrad509
Second hand on a clock rotates at rate 360 degrees per 60 seconds.

360 degrees - 60 sec
x degrees - 15 sec

[tex]x=\dfrac{15\cdot360}{60}\\ x=15\cdot6\\ x=90[/tex]

90 clockwise rotation (none hand of a clock rotates counter-clockwise :))
lhmarianateixeira

In this exercise we will use the knowledge of rotation and find that the necessary rotation is 90 clockwise rotation.

To make the rotation calculations we will have to perform a rule of 3 where we will have the clock seconds and the angle formed by the hand, this can be described as:

[tex]360 \ degrees \rightarrow 60 sec\\x \ degree \rightarrow 15 sec[/tex]

When performing this rule of 3 we will find 90 clockwise rotation

See more about rotation at brainly.com/question/1571997

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