5x + 4(4x + 11) = 170 pearson realize
2 answers:
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Answer:
The tires are spinning at 660.49 revolutions per minute.
Step-by-step explanation:
The speed of the tires (v) is the same that the speed of the car, so to find the angular velocity of the tires we need to use the equation:
Where:
r: is the radius of the tires = d/2 = 28 inches/2 = 14 inches
Therefore, the tires are spinning at 660.49 revolutions per minute.
I hope it helps you!
Answer:
The time taken by both boys to complete work = 2.73 hours
Step-by-step explanation:
Time taken by rayan to dig hole = 5 hours
Time taken by castel to dig hole = 6 hours
Now the time taken by both persons working together
Put all the values in above formula we get
T = 2.73 hours
Therefore the time taken by both boys to complete work = 2.73 hours