QUIZ Team 6

QUIZ

MECHANICHS

AND THE ENVIRONMENT

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question 01 of 05

cONSIDER A CIRCULAR IRRIGATION SYSTEM THAT HAS A MAXIMUM LENGHT OF 200 M FROM THE CENTRAL PIVOT TO THE END OF THE ARM. SEVERAL SPRINKLERS HAVE BEEN PLACED FOR THE IRRIGATION OF THE LAND, EACH OF THEM INSTALLED AT 3.6 M FTOM EACH OTHER UNTIL REACHING 54 M AT THE END FROM THE CENTRAL PIVOT. IT YOU ONLY WANT TO IRRIGATE ONE-QUATER OF THE TOTAL CIRCUMFERENCE OF THE LAND, HOW FAR DO THE FIRST AND THE LAST SPRINKLER TRAVEL TO COVER THAT STRETCH?

s1= 56.55 ms2= 8.4823 m

s1= 5.655 ms2= 84.823 m

s1= 84.823 ms2= 5.655 m

QUESTION 01 OF 05

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QUESTION 02 OF 05

A car move along a mountain road that has different curves due to its topography, and one of those curves has an angle of 180°. the car take the curve and moves forward until it reaches the end of the curve in a time of 5s. what angular velocity did it take to travel the curve?

w=0.628 rad/s

W= 62.8 RAD/S

W=6.28 RAD/S

QUESTION 02 OF 05

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QUESTION 03 OF 05

two cyclists travel a circular track and both travel one lap at the same time (40s) cyclist A is 20m from the center.get the angular displacement of both cyclists expressed in radians.

Oa=6.28RADob=6.28rad

OA=22.6radOB=7.79rad

OA=6.28OB=6.28

QUESTION 03 OF 05

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question 04 of 05

calculate the distance traveled by each of the cyclists along the circular path.

SA=33.6m SB=444m

sa=278.35SB=133.87

SA=125.66mSB=188.49m

QUESTION 01 OF 05

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question 04 of 05

The wheel of a bicycle makes 260 rotations in 2.5 minutes. what is the frequency of the wheel?

f= number of revolutions / time

120 rpm

153.33 rpm

104 rpm

QUESTION 04 OF 05

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