Circumference and Velocity Quiz

What is the circumference of a circle with a radius of 7 cm? Use $$\pi \approx 3.14$$ .

If a wheel has a diameter of 1.2 metres, what is its circumference? Use $$\pi \approx 3.14$$ .

A car wheel rotates at 500 RPM. If the wheel's circumference is 2 metres, what is the output speed in metres per minute?

Calculate the velocity ratio if the input speed is 1500 RPM and the output speed is 500 RPM.

A bicycle wheel has a circumference of 1.5 metres. If it rotates at 200 RPM, what is the output speed in metres per minute?

If the circumference of a circle is 31.4 cm, what is the radius? Use $$\pi \approx 3.14$$ .

A gear system has an input speed of 1200 RPM and an output speed of 400 RPM. What is the velocity ratio?

What is the circumference of a circle with a diameter of 10 cm? Use $$\pi \approx 3.14$$ .

A wheel with a circumference of 4 metres rotates at 150 RPM. What is the output speed in metres per minute?

If a circle has a radius of 3 metres, what is its circumference? Use $$\pi \approx 3.14$$ .