9. ssm Computer-controlled display screens provide drivers in the Indi- anapolis 500 with a variety of information about how their cars are per- forming. For instance, as a car is going through a turn, a speed of 221 mi/h (98.8 m/s) and centripetal acceleration of 3.00 g (three times the accel- eration due to gravity) are displayed. Determine the radius of the turn (in meters).

9. ssm Computer-controlled display screens provide drivers in the Indi- anapolis 500 with a variety of information about how their cars are per- forming. For instance, as a car is going through a turn, a speed of 221 mi/h (98.8 m/s) and centripetal acceleration of 3.00 g (three times the accel- eration due to gravity) are displayed. Determine the radius of the turn (in meters).

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 25P: As their booster rockets separate, Space Shuttle astronauts typically feel accelerations up to 3g,...

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As their booster rockets separate, Space Shuttle astronauts typically feel accelerations up to 3g, where g = 9.80 m/s2. In their training, astronauts ride in a device where they experience such an acceleration as a centripetal acceleration. Specifically, the astronaut is fastened securely at the end of a mechanical arm, which then turns at constant speed in a horizontal circle. Determine the rotation rate, in revolutions per second, required to give an astronaut a centripetal acceleration of 3.00g while in circular motion with radius 9.45 m.
A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal circular path the riders follow has an 8.00 m radius, at how many revolutions per minute will the riders be subjected to a centripetal acceleration whose magnitude is 1.50 times that due to gravity?
15. Which of the following statements is true about nonuniform circular motion? A. The tangential velocity changes in direction but not in magnitude. B. In a circular path, radial acceleration is directed toward the center of the circle. C. The tangential acceleration in addition to radial acceleration is present due to the changes of speed. D. The body moves with constant speed.
8 - A particle is moving with constant velocity on a circular path with a radius of 0.4 m. Find the velocity of the particle if it makes five revolutions per second of motion. A) 2,4 m B) 12 m/s C) 2,4 m/s D) 12 rad/s E) 360 m/s^2
Section 4.5 Tangential and Radial AccelerationFigure represents the total acceleration of a particle moving clockwise in a circle of radius 2.50 m at a certain instant of time. For that instant, find (a) the radial acceleration of the particle, (b) the speed of the particle, and (c) its tangential acceleration.
A race car starts from rest on a circular track of radius 632m. The cars speed increases at the constant rate 0.690m/s^2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following A). The speed of the race car M/s b). The distance traveled M C). The elapsed time s
In the first scene of the 1981 movie Raiders of the Lost Ark, archaeologist Indiana Jones inadvertently trips a booby trap and is chased out of a cave by a large spherical rolling stone (you can find the scene on YouTube). If the stone is rolling at 15 mi/h (about as fast as a normal human can run) what minimum vertical distance must it have rolled down before confronting Jones?
A scooter, starting from rest, accelerates at 2.72m/s^2 on a circular track with a 205m diameter. What is the elapsed time, in seconds, at which the centripetal acceleration of the scooter has the same magnitude as its tangential acceleration?
A curve on a highway has a radius of curvature of 200.0 m. What is the magnitude of a car’s centripetal acceleration as it travels along this curve at a constant speed of 26.8 m/s in 4.00 s?
A bicycle, starting from rest, accelerates at 2.07m/s2 on a circular track with a 195 m in diameter. What is the elapsed time, in seconds, at which the centripetal acceleration of the bicycle has the same magnitude as its tangential acceleration?
Humans lose consciousness if exposedto prolonged accelerations of more than about 7g. This is of concern to jet fighter pilots, who may experience centripetal accelerations of this magnitude when making high-speed turns. Suppose we would like to decrease the centripetal acceleration of a jet.Rank the following changes in flight path in order of how effective they are in decreasing the centripetal acceleration, startingwith the least effective: A, decrease the turning radius by a factorof two; B, decrease the speed by a factor of three; or C, increase theturning radius by a factor of four.
An Aston Martin V8 Vantage sports car has a "lateral acceleration" of 9 m/s^2. This is the maximum centripetal acceleration the car can sustain without skidding out of a curved path. If the car is travelling at a constant 39 m/s on level ground, what is the radius R of the tightest unbanked curved it can negotiate?