**Problem 3.30**A model of a helicopter rotor has four blades, each 3.40 m in length from the central shaft to the tip of the blade. The model is rotated in a wind tunnel at 600 rev/min.**Part A**What is the linear speed of the blade tip?*Express your answer in meters per second.*\[ v = \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \]m/s[Submit] [Request Answer]**Part B**What is the radial acceleration of the blade tip, expressed as a multiple of the acceleration \( g \) due to gravity?*Express your answer as a multiple of acceleration due to gravity \( g \).*\[ a = \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \]\[ g \][Submit] [Request Answer][Provide Feedback]

Answered: Image /qna-images/answer/078e3ab1-fb25-4794-b39e-a964e7e7df7b.jpg

Part A What is the linear speed of the blade tip? Express your answer in meters per second. m/s Submit Request Answer Part B What is the radial acceleration of the blade tip, expressed as a multiple of the acceleration g due to gravity? Express your answer as a multiple of acceleration due to gravity g.

Part A What is the linear speed of the blade tip? Express your answer in meters per second. m/s Submit Request Answer Part B What is the radial acceleration of the blade tip, expressed as a multiple of the acceleration g due to gravity? Express your answer as a multiple of acceleration due to gravity g.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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B1
Bumblebees are skilled aerialists, able to fly with confidence around and through the leaves and stems of plants. In one test of bumblebee aerial navigation, bees in level flight flew at a constant 0.40 m/s, turning right and left as they navigated an obstacle-filled track. While turning, the bees maintained a reasonably constant centripetal acceleration of 4.0 m/s. Part A What is the radius of curvature for such a turn? .2 Express your answer with the appropriate units. НА Value Units Submit Request Answer Part B How much time is required for a bee to execute à 90° turn? Express your answer with the appropriate units. HA At = Value Units
1
a The diagram above shows a yellow car going around a curve in a road (the broad gray line with a white dashed line) as seen from above. In the diagram, the car is moving to the right and slightly upward (notice the headlights are to the right and the tail lights are to the left). At its position shown in the diagram, the road has a radius of curvature r of 43 meters. At the time shown in the diagram, the car is speeding up at a rate of 2.2 m/s?. Also at this time, the total acceleration of the car (shown by a green arrow in the diagram) has a magnitude of 4.2 m/s?. Calculate the speed of the car, in units of meters per second, and this time. .-----
4. Harnessing wind power has become an effective alternative to finding and refining fossil fuels. These wind turbines are now found all over Ontario. One of these turbines has a blade with an 8 metre diameter. The maximum height from the ground to the tip of the blade is 26 m. At an average wind speed, the blade makes 20 rotations every minute. Assuming that the tip of the blade starts at the lowest point, determine an equation for the height versus time.
A 2kg toy is moving in a circle of radius 2.5 m with a speed of 3m/s.Calculate the centripetal acceleration of the toy? choose one correct answer with the correct units. A. 3.6 m/s^2 B. 1.2 m/s^2 C. 3.6 m/s D. 0.833 m/s^2
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Indy Formula car (Fig. 2a) is travelling around the bend with radius r = 305 m. Its angular displacement is given by e = (0.05t + 0.06t³)rad. Determine the linear velocity of the formula car after t = 2s. ii Determine the tangential acceleration a of the formula car after t = 2s. ii The formula car is now travelling at 88.9 m/s, determine the bank angle 0 for the racetrack so that the wheels of the formula car will not have to depend upon friction to prevent it sliding up or down the track. Fig. 2a
A small object of mass 0.500 kg is attached by a 0 0.650 m-long cord to a pin set into the surface of a frictionless tabletop. The object moves in a circle on the horizontal surface with a speed of 6.91 m/s.1. What is the magnitude of the radial acceleration of the object?2. What is the tension of the cord?
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A small ball is attached to the lower end of a 0.800-m-long string, and the other end of the string is tied to a horizontal rod. The string makes a constant angle of 41.8° with the vertical as the ball moves at a constant speed in a horizontal circle. Part A If it takes the ball 1.55 s to complete one revolution, what is the magnitude the radial acceleration of the ball? Express your answer with the appropriate units. arad = Value Units ?