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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!!
If a wheel spins at a rate of 36 revolutions per minute how many revolutions per hour does the wheel spin?
264
What is the reflex angle between clock hands showing 3 o'clock?
90 degrees or (pi)/2 radians, with the hour hand on the right end and the minute hand pointing up.
How do you change RPM into x g centrifugation?
The relationship between revolutions per minute (RPM) and relative centrifugal force (xg) is: g = (1.118 × 10-5) R S2 where g is the relative centrifugal force, R is the radius of the rotor in centimeters, and S is the speed of the centrifuge in revolutions per minute. You can use this for any centrifuge, just measure the radius of the rotor from the center to outer edge.
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 45 revolutions per minute if the wheel's diameter is 35?
Firstly I'm assuming that the wheel's diameter is 35cm. If it is not in cm, then you will need to fix the following calculations. a = v2/r Calculating the speed of the clay comes to approximately 1.65m/s Substituting into the formula gives an acceleration of approximately 7.8m/s2 (If you were actually looking for an angular acceleration, you will need to use a different formula)
What does angular speed measure?
In revolutions per minute (rpm), or radians per second.
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.
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.
Is RPM the same as angular speed?
No, RPM (revolutions per minute) refers to how many times a rotating object completes a full revolution in one minute, while angular speed is a measure of how fast an object is rotating in radians per unit time. RPM is a linear measurement, while angular speed is a more precise measurement of rotational motion.
What is angular velocity in physics?
Angular velocity is a measure of how quickly an object is rotating around a fixed point. It is measured in radians per second and indicates the rate of change of angular displacement. The direction of angular velocity is perpendicular to the plane of rotation.
What is the physical significance of angular velocity?
Angular velocity measures how fast an object is rotating around a fixed axis. It is a measure of the rate of change of the object's angular displacement per unit of time. This quantity is important in understanding the motion of objects that rotate, such as wheels, planets, or gyroscopes.
What is the angular velocity of the minute hand?
The angular velocity of the minute hand can be calculated as 2π radians divided by the time it takes to complete one full revolution, which is 60 minutes. Therefore, the angular velocity of the minute hand is π/30 radians per minute.
What is the tangential acceleration of a bug on the rim of a 7.0 in diameter disk if the disk moves from rest to an angular speed of 75 revolutions per minute in 4.0 s?
http://answers.yahoo.com/question/index?qid=20080709220243AAS7f8Igo to this link and there is a problem just like it, just different numbers. it is correct..i checked it with my physics book solutions!
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 angular speed of the minute hand in radian per second?
Angular speed = 2*pi radians per 60 seconds = pi/30 radians per second.
What is dimension of angular velocity?
The dimension of angular velocity is in units of radians per second (rad/s) or revolutions per minute (RPM). It represents the rate of change of angular displacement with respect to time.
What are the two units that measure angular speed?
Two common measures are revolutions per minute, and radians per second. One revolution is 2pi radians. Radians are preferred in science because the radian (57.296 degrees) is the natural measure of angles, because d/dx sin(x) = cos (x) only if x is measured in radians.
