College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 6, Problem 11P
To withstand “g-forces” of up to 10g, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a “human centrifuge.” 10g is an acceleration of 98 m/s2. If the length of the centrifuge arm is 12 m, at what speed is the rider moving when she experiences 10g?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
To withstand “g-forces” of up to 10 g’s, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a “human centrifuge.” 10 g’s is an acceleration of 98 m/s2. If the length of the centrifuge arm is 12 m, at what speed is the rider moving when she experiences 10 g’s?
If the length of the centrifuge arm is 13.0 m, at what speed is the rider moving when she experiences 10 g’s? Express your answer with the appropriate units.
To withstand "g-forces" of up to 10 g's, caused by suddenly pulling out of a
steep dive, fighter jet pilots train on a "human centrifuge." 10 g's is an
acceleration of 98 m/s².
If the length of the centrifuge arm is 15.0 m, at what speed is the rider moving when she experiences 10 g's?
Express your answer with the appropriate units.
Chapter 6 Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. 6 - A cyclist goes around a level, circular track at...Ch. 6 - In uniform circular motion, which of the following...Ch. 6 - A particle moving along a straight line can have...Ch. 6 - Would having four-wheel drive on a car make it...Ch. 6 - Large birds like pheasants often walk short...Ch. 6 - When you drive fast on the highway with muddy...Ch. 6 - A ball on a string moves in a vertical circle as...Ch. 6 - Give an everyday example of circular motion for...Ch. 6 - Give an everyday example of circular motion for...Ch. 6 - Its been proposed that future space stations...
Ch. 6 - A car coasts at a constant speed over a circular...Ch. 6 - In Figure Q6.11, at the instant shown, is the...Ch. 6 - Riding in the back of a pickup truck can be very...Ch. 6 - Playground swings move through an arc of a circle....Ch. 6 - Variation in your apparent weight is desirable...Ch. 6 - A small projectile is launched parallel to the...Ch. 6 - Why is it impossible for an astronaut inside an...Ch. 6 - If every object in the universe feels an...Ch. 6 - A mountain climbers weight is slightly less on the...Ch. 6 - Is the earths gravitational force on the sun...Ch. 6 - A ball on a string moves around a complete circle,...Ch. 6 - As seen from above, a car rounds the curved path...Ch. 6 - As we saw in the chapter, wings on race cars push...Ch. 6 - Suppose you and a friend, each of mass 60 kg, go...Ch. 6 - The cylindrical space station in Figure Q6.25, 200...Ch. 6 - Two cylindrical space stations, the second four...Ch. 6 - The radius of Jupiter is 11 times that of earth,...Ch. 6 - A newly discovered planet has twice the mass and...Ch. 6 - Suppose one night the radius of the earth doubled...Ch. 6 - Currently, the moon goes around the earth once...Ch. 6 - Two planets orbit a star. You can ignore the...Ch. 6 - A 5.0-m-diameter merry-go-round is turning with a...Ch. 6 - The blade on a table saw spins at 3450 rpm. Its...Ch. 6 - An old-fashioned LP record rotates at 3313rpm. a....Ch. 6 - A typical hard disk in a computer spins at 5400...Ch. 6 - A CD-ROM drive in a computer spins the...Ch. 6 - The horse on a carousel is 4.0 m from the central...Ch. 6 - The radius of the earths very nearly circular...Ch. 6 - Modern wind turbines are larger than they appear,...Ch. 6 - Your roommate is working on his bicycle and has...Ch. 6 - Wind turbines designed for offshore installations...Ch. 6 - To withstand g-forces of up to 10g, caused by...Ch. 6 - A typical running track is an oval with...Ch. 6 - Figure P6.13 is a birds-eye view of particles on a...Ch. 6 - In short-track speed skating, the track has...Ch. 6 - A 200 g block on a 50-cm-long string swings in a...Ch. 6 - A cyclist is rounding a 20-m-radius curve at 12...Ch. 6 - A 1500 kg car drives around a flat 200-m-diameter...Ch. 6 - A fast pitch softball player does a windmill...Ch. 6 - A baseball pitching machine works by rotating a...Ch. 6 - A wind turbine has 12,000 kg blades that are 38 m...Ch. 6 - Youre driving your pickup truck around a curve...Ch. 6 - You have seen dogs shake to shed water from their...Ch. 6 - Gibbons, small Asian apes, move by brachiation,...Ch. 6 - The passengers in a roller coaster car feel 50%...Ch. 6 - You hold a bucket in one hand. In the bucket is a...Ch. 6 - A roller coaster car is going over the top of a...Ch. 6 - As a roller coaster car crosses the top of a...Ch. 6 - An 80-ft-diameter Ferris wheel rotates once every...Ch. 6 - A typical laboratory centrifuge rotates at 4000...Ch. 6 - A satellite orbiting the moon very near the...Ch. 6 - Spacecraft have been sent to Mars in recent years....Ch. 6 - The centers of a 10 kg lead ball and a 100 g lead...Ch. 6 - The gravitational force of a star on an orbiting...Ch. 6 - The free-fall acceleration at the surface of...Ch. 6 - What is the ratio of the suns gravitational force...Ch. 6 - Suppose the free-fall acceleration at some...Ch. 6 - In recent years, astronomers have found planets...Ch. 6 - In recent years, astronomers have found planets...Ch. 6 - a. What is the gravitational force of the sun on...Ch. 6 - What is the value of g on the surface of Saturn?...Ch. 6 - What is the free-fall acceleration at the surface...Ch. 6 - Planet X orbits the star Omega with a year that is...Ch. 6 - Prob. 43PCh. 6 - The International Space Station is in a...Ch. 6 - The asteroid belt circles the sun between the...Ch. 6 - An earth satellite moves in a circular orbit at a...Ch. 6 - In recent years, scientists have discovered...Ch. 6 - In recent years, scientists have discovered...Ch. 6 - In recent years, scientists have discovered...Ch. 6 - How fast must a plane fly along the earths equator...Ch. 6 - The car in Figure P6.51 travels at a constant...Ch. 6 - In the Bohr model of the hydrogen atom, an...Ch. 6 - A 75 kg man weighs himself at the north pole and...Ch. 6 - A 1500 kg car takes a 50-m-radius unbanked curve...Ch. 6 - A 500 g ball swings in a vertical circle at the...Ch. 6 - A 5.0 g coin is placed 15 cm from the center of a...Ch. 6 - A conical pendulum is formed by attaching a 500 g...Ch. 6 - In an old-fashioned amusement park ride,...Ch. 6 - The 0.20 kg puck on the frictionless, horizontal...Ch. 6 - While at the county fair, you decide to ride the...Ch. 6 - A car drives over the top of a hill that has a...Ch. 6 - A 100 g ball on a 60-cm-long string is swung in a...Ch. 6 - Prob. 63GPCh. 6 - The ultracentrifuge is an important tool for...Ch. 6 - A sensitive gravimeter at a mountain observatory...Ch. 6 - Suppose we could shrink the earth without changing...Ch. 6 - Planet Z is 10,000 km in diameter. The free-fall...Ch. 6 - Prob. 68GPCh. 6 - Prob. 69GPCh. 6 - How long will it take a rock dropped from 2.0 m...Ch. 6 - A 20 kg sphere is at the origin and a 10 kg sphere...Ch. 6 - a. At what height above the earth is the free-fall...Ch. 6 - Mars has a small moon, Phobos, that orbits with a...Ch. 6 - You are the science officer on a visit to a...Ch. 6 - Europa, a satellite of Jupiter, is believed to...Ch. 6 - The direction of the net force on the craft is A....Ch. 6 - Suppose a spacecraft orbits the moon in a very...Ch. 6 - How much time does it take for the spacecraft to...Ch. 6 - The material that comprises the side of the moon...
Additional Science Textbook Solutions
Find more solutions based on key concepts
For the human body, what is the rate of heat transfer by conduction through the body’s tissue with the followin...
College Physics
Two forces act on an object, but the net force is zero. Must the net torque be zero? If so, why? If not, give a...
Essential University Physics: Volume 1 (3rd Edition)
Which metric unit (km, m, cm, or mm) would you use to measure the following?
10. Width of a table
Applied Physics (11th Edition)
Are the seasons (summer or winter) the same in the Northern and Southern Hemispheres at the same time? When it ...
Lecture- Tutorials for Introductory Astronomy
An ideal gas is made to undergo the cyclic process shown in Figure 1.10 (a). For each of the steps A, B, and C,...
An Introduction to Thermal Physics
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A ball whirls around on the end of a string, moving in a circle at a constant speed of 3.0 m/s. If it experiences an acceleration of 3 m/s2, how long (in m) is the string, and If the string is replaced by a string 2.19 m long but the acceleration remains unchanged, what is the ball's new speed (in m/s)?arrow_forwardA sample of Uranium is rotating in a large centrifuge undergoing centripetal-acceleration. It “rides” in uniform circular motion. The radius is r = 4.0 m, and at some time t, the acceleration is a= 6i+4j What is the speed of the rotating Uranium in meters/sec?arrow_forwardA car of mass 980 kg coasts at a constant speed of 18 m/s over a circular hill of radius 250 m. What is the magnitude of its acceleration, in m/s2?arrow_forward
- 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?arrow_forwardYou're designing a highway so that the maximum centripetal acceleration on a curve is no more than 1.3 m/s^2. What is the minimum curvature radius to accommodate a 108 km//h maximum speed? This is about r=V^2/a, right? I have to convert km to meters, then hours to min to seconds. Say the final is (30m/s)^2 /1/3 m/s^2 =692.3 m Does two sig figs mean that 692 is changed to 690 m or something else to get two sig figs? Please explain? If the answer is 62.3 then two figs mean 62. If 63.5, then 64. But 692?arrow_forwardA wind turbine is rotating counterclockwise at 0.75 rev/.s and slows to a stop in 10 s. It's blades are 15 m in length. What is the centripetal acceleration of the tip of the blades at t=1s?arrow_forward
- A jet fighter flying at 300 m/s (just below the speed of sound) makes a turn of radius 2.20 km. The centripetal acceleration in gs is 4.17. Suppose the pilot makes an emergency turn to avoid an approaching missile, subjecting himself to a centripetal acceleration of 10 gs, while flying at 535 m/s (supersonic). What is the radius, in km, of his turn? (This must be short-lived because fighter planes can only briefly endure such large accelerations without serious damage, and the pilot will soon black out at 10 gs.)arrow_forwardOur balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning displaces this fluid, causing dizziness. Suppose that a skater is spinning very fast at 3.0 revolutions per second about a vertical axis through the center of his head. Take the inner ear to be approximately 7.0 cm from the axis of spin. (The distance varies from person to person.) What is the radial acceleration (in m/s2 and in g’s) of the endolymph fluid? Show complete solution.arrow_forwardA motorcycle, starting from rest, accelerates at 2.87 m/s2 on a circular track with a 205 m diameter. What is the elapsed time, in seconds, at which the centripetal acceleration of the motorcycle has the same magnitude as its tangential acceleration?arrow_forward
- A bicycle, starting from rest, accelerates at 1.67m/s2 on a circular track with a 185m diameter.What is the elapsed time, in seconds, at which the centripetal acceleration of the bicycle has the same magnitude as its tangential acceleration?arrow_forwardA fairground ride spins its occupants inside a flying-saucer-shaped vehicle. If the horizontal circular path the riders follow has a radius of 7.5 m, at how many revolutions per minute will the riders be subjected to a centripetal acceleration 1.6 times that due to gravity?arrow_forwardPassengers in a whirly-go-round (a "puke your guts out" amusement ride) are subjected to accelerations of 2.5 g's at the end of a 3.5 m pole as they move in a circular path. What speed (in m/s) do they experience? An engineer rides the ride in the problem above and decides the acceleration needs to be reduced to 1.84 g's, but the speed should remain the same. What length of pole should be used?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY