Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Part1) A car wheel has a diameter of 40cm.
a) How far (rounded to a tenth of unit) does the car wheel travel in 1 rotation?
b)10 rotations?
c) Write an equation relating the distance the car travels in centimeters, (d), to the number of wheel rotations, (x)
d) How many rotations does the car wheel make when the car travels 1 kilometer? Explain or show your reasoning.​

Sagot :

Answer:

Step-by-step explanation:

Circumference is πD

a) 40π cm ≈ 125.7 cm = 1.257 m

b) 10(40π) = 1256.6 cm = 12.57 m

c) d = xdπ

d) x = 1000 m / 0.4π m/rev = 795.8 rev