# Trigonometry

The wheels of a scooter have a diameter of 4.5 inches. If the person riding the scooter is traveling down hill at 15.0 mph. what is the approximate angular speed of the wheels in radians per second

1. 👍
2. 👎
3. 👁
1. Circumference = pi*D = 3.14 * 4.5 = 14.13 In. = 1.1775 Ft

V=15mi/h * 5280Ft/mi * 6.28Rad/1.1775Ft
* 1h/3600s. = 117.3 Rad/s.

1. 👍
2. 👎
2. <'ea14

1. 👍
2. 👎

## Similar Questions

1. ### Trigonometry

a bicycle with 24inch diameter wheels is traveling at 15mi/hr. a) Find the angular speed of the wheels in rad/min. b)How many revolutions per minute do the wheels make?

2. ### Algebra

The diameter of bolts produced by a certain machine distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches.Does your answer make sense

3. ### Math

A truck with 40-in.-diameter wheels is traveling at 50 mi/h. a) Find the angular speed of the wheels in rad/min b) How many revolutions per minute do the wheels make?

4. ### trigonometry

A truck with 48-in.-diameter wheels is traveling at 45 mi/h. (a) Find the angular speed of the wheels in rad/min. rad/min (b) How many revolutions per minute do the wheels make? rev/min

1. ### trigonometry

A truck with 48-in.-diameter wheels is traveling at 55 mi/h. Find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: __rad/min How many revolutions per minute do the wheels make?__ rpm

2. ### Trig

The diameter of the wheels on your car (including the tires) is 25 inches. You are going to drive 305 miles today. Each of your wheels is going to turn by an angle of how many degrees.

3. ### Math

A truck with 36-in.-diameter wheels is traveling at 55 mi/h. Find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes How many revolutions per minute do the wheels make? • This question

4. ### Maths

The angular velocity of a scooter wheel is 20 rad/s. If the diameter of the scooter wheel be 40cm. Calculate the speed of the scooter in m/s?

1. ### physic

A bicycle with 55.20 cm diameter wheels is traveling at 23.60 km/hr. At what angular speed do the wheels turn? answer is 23.8 but still not sure how to find the time How long do they take to turn once around?

2. ### physics

A person is riding a bicycle, and its wheels have an angular velocity of 28.9 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 13.6

3. ### math

Devon’s bike has wheels that are 27 inches in diameter. After the front wheel picks up a tack, Devon rolls another 100 feet and stops. How far above the ground is the tack?

4. ### math

If the outer diameter of a cylindrical oil tank is 54.28 inches and the inner diameter is 48.7 inches,the thickness of the wall of the tank,in inches, is