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What is the angular speed of a windmill with 40 feet and speed of 80 revolutions per minute?
Wiki User
∙ 12y ago
The angular speed is 480 degrees per second.
Wiki User
∙ 8y ago
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What does angular speed measure?
In revolutions per minute (rpm), or radians per second.
A 12 inch grinding wheel has a surface speed of a mile a minute. What is its revolutions per minute?
A wheel with a diameter of 12 inches will have an angular speed of 560.2 revs per minute.
How do you convert revolutions per minute to degree?
to convert revolutions per minute into the measure of degrees traveled, you would need to know for how long those revolutions were going on. revolutions per minute multiplied by the time it was turning gives you the degrees traveled. just like speed * time gives you distance, rotational speed * time gives you rotated distance
What are the rotational speeds revolutions and minute?
maybe you mean revolutions PER minute (RPM) which is the number of revolutions (rotations of 360 degrees) that take place in a minute of time. speed is a measure of change in position (in this case change in angle of a component) for a given time period.
What motion is a second hand watch moves through a complete circle every minute?
That motion is called angular motion. The angular speed of the second hand is 2pi radians per minute.
What does angular speed measure?
In revolutions per minute (rpm), or radians per second.
Is RPM the same as angular speed?
'RPM' is one of many units that can be used to describe angular speed. Angular speed is (any unit of angle) divided by (any unit of time). That's exactly what you have in the unit 'RPM'. 'RPM' means "revolutions per minute". "Revolution" is a unit of angle ... it's exactly 360 degrees ... and "minute" is a unit of time. So RPM is a perfectly fine unit for measuring/describing angular speed.
A Ferris wheel has a radius of 25 feet The wheel is rotating a 2 revolutions per minute Find the linear speed in feet per minute of the seat on this Ferris wheel?
1 revolution = 2PI radian. 2 revolutions = 4PI radian The angular speed of the Ferris wheel is 4PI radians . Multiply by the radius. The linear speed is 100PI feet per minute.
Why angular speed is called angular frequency?
Because angular speed is some number of revolutions or angle rotated each second. It has units of s-1 (per second) and is therefore a frequency.
A 12 inch grinding wheel has a surface speed of a mile a minute. What is its revolutions per minute?
A wheel with a diameter of 12 inches will have an angular speed of 560.2 revs per minute.
Angular speed and number of revolutions per minute of a car moving at 65 mph and diameter of wheels in 2.5 feet?
There are 728.3 revolutions per minute, and the angular speed is 4576 radians per minute. This is how you get these answers: (a). Revolutions per minute. 1. Find the circumference of the circle. C= piX Diameter. In this case, C=7.8539816 2. Turn 65 mph into minutes/ft. Thus, 5280ft = 1 mile. 65X5280= 343200 ft. per hour. 1 hr = 60 minutes. 343200/60 = 5720 ft. / per minute. 3. Finally, divide. 5720/7.8539816 = 728.29 = 728.3. (b). Angular speed = central angle/time = Theta/t 1. 728.3 rpm. Now, since 1 revolution = 2pi, then, (728.3)(2pi) radians per minute. Your answer should be 4576.043859. Round to 4576 radians per minute, and you are done!!
What is the measure of speed in an engine?
It's usually measured in RPM - Revolutions-Per-Minute, counted at the crankshaft.
What is the speed of engine?
crankshaft rpm (revolutions per minute)
What is angular velocity in physics?
It means how fast something rotates. Rather than taking the linear speed (meters per second, or some other common unit of speed), the angular velocity is specified in radians per second, degrees per second, revolutions (full turns) per minute, or something similar. By this definition, each part of a solid, rotating object rotates at the same angular speed.
What does angular mean?
Angular momentum is an expression of an objects mass and rotational speed. Momentem is the velocity of an object times its mass, or how fast something is moving times how much it weighs. Therefore angular momentum is the objects mass times the angular velocity where angular velocity is how fast something is rotating expressed in terms like revolutions per minute or radians per second or degrees per second.
How do you convert revolutions per minute to degree?
to convert revolutions per minute into the measure of degrees traveled, you would need to know for how long those revolutions were going on. revolutions per minute multiplied by the time it was turning gives you the degrees traveled. just like speed * time gives you distance, rotational speed * time gives you rotated distance
What is rpm in a vehicle?
It stands for Revolutions Per Minute - it refers to the speed of the engine.
