For each of the following problems, find the angular velocity, in radians per minute, associ-ated with the given revolutions per minute (rpm). 33 1/3 rpm
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Q: Thank you!! How about if I want to know the angular speed in radians/sec?
A: Let's find angular speed in radians per seconds.
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Q: Find the angular velocity, in radians per minute, associated with the given revolutions per minute…
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For each of the following problems, find the angular velocity, in radians per minute, associ-
ated with the given revolutions per minute (rpm).
33 1/3 rpm
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- In Figure 208, gear A is turning at 120 revolutions per minute and gear B is turning at 3.6 revolutions per second. Determine the ratio of the speed of gear A to the speed of gear B.A 5-foot-tall person is walking towards a 7-foot-tall lamppost at a uniform rate of 2 feet per second. Find how fast the subtended angle of the lamppost from the person is increasing when the person is horizontally 1 foot from the lamppost. Assume the eye level of the person to be also 5 feet for simpler analysis. A 33 rad/s 29 77 rad/s 65 rad/s D rad/s 19At a given moment, a plane passes directly above a radar station at an altitude of 6 miles and a speed of 500 mph. Suppose 0 is the angle between the line segment joining the plane and the radar station and the horizontal. How fast is 0 changing 6 minutes after the plane passes over the radar station? dx = 500 mph dt
- You are given the rate of rotation of a wheel as well as its radius. Determine the following. (Express your answers in terms of 7t.) 1240 rpm; r 16 cm (a) angular speed, in units of radians/sec radians/sec (b) linear speed, in units of cm/sec, of a point on the circumference of the wheel cm/sec (c) linear speed, in cm/sec, of a point halfway between the center of the wheel and the circumference cm/secAn object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in inches. Find the following: a. the maximum displacement b. the frequency c. the time required for one cycle.An object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in centimeters.Find:a. the maximum displacementb. the frequencyc. the time required for one cycle.
- Solve the following problems. A windmill blade with a diameter of 70 feet completes 6 rotations per minute. Calculate the linear speed (in 1. feet per minute) of the windmill blade.Suppose a person begins walking away from a light pole at a constant rate of 0.30.3 meters per second. The person knows that as they walk away from the pole that the length of their shadow increases. The person is wondering if the length of their shadow is also changing at a constant rate. Assume that θθ is measured in degrees. The light pole is still 2.992.99 meters tall, and the person is still 1.581.58 meters tall.A ball is being launched into the air. 21 feet away from the launch site is a camera. If the ball is travelling vertically at 13 feet per second, what is the rate of change of the angle of elevation from the camera to the ball when the ball is 41 feet off the ground? (Do not include units in your answer, and round to the nearest hundredth.)
- A 5-foot-tall person is walking towards a 7-foot-tall lamppost at a uniform rate of 2 feet per second. Find how fast the subtended angle of the lamppost from the person is increasing when the person is horizontally 1 foot from the lamppost. Assume the eye level of the person to be also 5 feet for simpler analysis. 77 rad/s 65 11 B rad/s 33 rad/s 29 D 22 rad/s 19If cose = -12/13 and e is in the second quadrant, find csce.At a given moment, a plane passes directly above a radar station at an altitude of 6 km and the plane's speed is 600 km/h. Let be the angle that the line through the radar station and the plane makes with the horizontal. How fast is 0 changing 12 min after the plane passes over the radar station? (Use decimal notation. Give your answer to three decimal places.)