Find the speed of a car in miles per hour, if its wheels, that have a diameter of 18 inches, travel at a rate of 10 revolutions
per second.
1 answer:
Answer:
Step-by-step explanation:
circumference=πd=π×18=18π in
distance covered in 1 sec=18π×10=180π in.
distance covered in 1 min=180π×60=10800π in
distance covered in 60 min=10800π×60=648000π in=648000π÷12=54000π ft
=54000π÷3=18000π yards=18000π÷1760≈32.13 miles per hour.
You might be interested in
A. 2x+3x-6=10+4x
5x-6=10+4x
5x=16+4x
X=16
Answer:
Step-by-step explanation:
{ - 9, - 4, - 1}
Answer:
4
Step-by-step explanation:
on edg
Answer:
I = (2,000) (0.08) (6)
I = (160) (6)
Steve pays $960 in interest
Step-by-step explanation:
I completed the quiz :)