Pearson eText -- Physics for Scientists and Engineers with Modern Physics -- Instant Access (Pearson+)
5th Edition
ISBN: 9780137488179
Author: Douglas Giancoli
Publisher: PEARSON+
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(II) How fast (in rpm) must a centrifuge rotate if a particle8.0 cm from the axis of rotation is to experience an acceleration of 100,000 g’s?
(I) A centrifuge accelerates uniformly from rest to 15,000 rpmin 240 s. Through how many revolutions did it turn in thistime?
(III) A particle revolves in a horizontal circle of radius 1.95 m. At a particular instant, its acceleration is 1.05m/s2 in a direction that makes an angle of 25.0° to its direction of motion. Determine its speed (a) at this moment, and(b) 2.00 s later, assuming constant tangential acceleration.
Chapter 10 Solutions
Pearson eText -- Physics for Scientists and Engineers with Modern Physics -- Instant Access (Pearson+)
Ch. 10.1 - In Example 103, we found that the carousel, after...Ch. 10.4 - Two forces (FB = 20 N and FA = 30 N) are applied...Ch. 10.7 - In Figs. 1020f and g, the moments of inertia for a...Ch. 10.8 - Estimate the energy stored in the rotational...Ch. 10.9 - Return to the Chapter-Opening Question, p. 248,...Ch. 10.9 - Find the acceleration a of a yo-yo whose spindle...Ch. 10 - Prob. 1QCh. 10 - Suppose a disk rotates at constant angular...Ch. 10 - Could a nonrigid object be described by a single...Ch. 10 - Prob. 4Q
Ch. 10 - Prob. 5QCh. 10 - Prob. 6QCh. 10 - Can a small force ever exert a greater torque than...Ch. 10 - Why is it more difficult to do a sit-up with your...Ch. 10 - If the net force on a system is zero, is the net...Ch. 10 - Mammals that depend on being able to run fast have...Ch. 10 - Prob. 11QCh. 10 - Prob. 12QCh. 10 - Prob. 13QCh. 10 - Prob. 14QCh. 10 - Two inclines have the same height but make...Ch. 10 - Two spheres look identical and have the same mass....Ch. 10 - A sphere and a cylinder have the same radius and...Ch. 10 - Two solid spheres simultaneously start rolling...Ch. 10 - Prob. 1MCQCh. 10 - Prob. 2MCQCh. 10 - Prob. 3MCQCh. 10 - Prob. 4MCQCh. 10 - Prob. 6MCQCh. 10 - Prob. 7MCQCh. 10 - Prob. 8MCQCh. 10 - Prob. 9MCQCh. 10 - Prob. 10MCQCh. 10 - Prob. 11MCQCh. 10 - Prob. 12MCQCh. 10 - Prob. 14MCQCh. 10 - (I) Express the following angles in radians: (a)...Ch. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - (I) The blades in a blender rotate at a rate of...Ch. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - (II) A rotating merry-go-round makes one complete...Ch. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - (II) Calculate the angular velocity of the Earth...Ch. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - (II) A turntable of radius R1 is turned by a...Ch. 10 - Prob. 18PCh. 10 - (I) A centrifuge accelerates uniformly front rest...Ch. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Prob. 23PCh. 10 - Prob. 24PCh. 10 - Prob. 25PCh. 10 - Prob. 26PCh. 10 - Prob. 27PCh. 10 - (II) Two blocks, each of mass m, are attached to...Ch. 10 - Prob. 29PCh. 10 - Prob. 30PCh. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - (I) Estimate the moment of inertia of a bicycle...Ch. 10 - Prob. 35PCh. 10 - (II) An oxygen molecule consists of two oxygen...Ch. 10 - Prob. 37PCh. 10 - (II) The forearm in Fig. 1052 accelerates a 3.6-kg...Ch. 10 - (II) Assume that a 1.00-kg ball is thrown solely...Ch. 10 - Prob. 40PCh. 10 - Prob. 41PCh. 10 - Prob. 42PCh. 10 - Prob. 43PCh. 10 - (II) A dad pushes tangentially on a small...Ch. 10 - Prob. 45PCh. 10 - Prob. 46PCh. 10 - Prob. 47PCh. 10 - Prob. 48PCh. 10 - (II) When discussing moments of inertia,...Ch. 10 - (II) Two blocks are connected by a light string...Ch. 10 - Prob. 51PCh. 10 - (III) A hammer thrower accelerates the hammer...Ch. 10 - (I) Use the parallel-axis theorem to show that the...Ch. 10 - (II) Determine the moment of inertia of a 19-kg...Ch. 10 - Prob. 55PCh. 10 - Prob. 56PCh. 10 - Prob. 57PCh. 10 - Prob. 58PCh. 10 - Prob. 61PCh. 10 - Prob. 62PCh. 10 - (I) Estimate the kinetic energy of the Earth with...Ch. 10 - (II) A rotating uniform cylindrical platform of...Ch. 10 - Prob. 65PCh. 10 - (II) A Uniform thin rod of length l and mass M is...Ch. 10 - Prob. 67PCh. 10 - (III) A 2.30-m-long pole is balanced vertically on...Ch. 10 - Prob. 69PCh. 10 - (I) A bowling ball of mass 7.3kg and radius 9.0 cm...Ch. 10 - Prob. 71PCh. 10 - (II) A narrow but solid spool of thread has radius...Ch. 10 - (II) A solid rubber ball rests on the floor of a...Ch. 10 - Prob. 74PCh. 10 - Prob. 75PCh. 10 - (II) A ball of radius r0 rolls on the inside of a...Ch. 10 - (III) A small sphere of radius r0 = 1.5 cm rolls...Ch. 10 - (III) A wheel with rotational inertia I=12MR2...Ch. 10 - (III) The 1100-kg mass of a car includes four...Ch. 10 - (I) A rolling hall slows down because the normal...Ch. 10 - Prob. 81GPCh. 10 - On a 12.0-cm-diameter audio compact disc (CD),...Ch. 10 - (a) A yo-yo is made of two solid cylindrical...Ch. 10 - Prob. 84GPCh. 10 - Prob. 85GPCh. 10 - A large spool of rope rolls on the ground with the...Ch. 10 - Bicycle gears: (a) How is the angular velocity R...Ch. 10 - Prob. 88GPCh. 10 - Figure 1065 illustrates an H2O molecule. The O H...Ch. 10 - Prob. 90GPCh. 10 - Prob. 91GPCh. 10 - Prob. 92GPCh. 10 - Prob. 93GPCh. 10 - Prob. 94GPCh. 10 - Prob. 96GPCh. 10 - A marble of mass m and radius r rolls along the...Ch. 10 - The density (mass per unit length) of a thin rod...Ch. 10 - If a billiard ball is hit in just the right way by...Ch. 10 - Prob. 100GPCh. 10 - When bicycle and motorcycle riders pop a wheelie,...Ch. 10 - A crucial part of a piece of machinery starts as a...Ch. 10 - Prob. 103GPCh. 10 - Prob. 104GPCh. 10 - Prob. 105GPCh. 10 - A thin uniform stick of mass M and length l is...Ch. 10 - Prob. 107GP
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- (I) A jet plane traveling 1890 km/h(525m/s) pulls out of a dive by moving in an arc of radius 5.20 km. What is the plane’s acceleration in g’s?arrow_forward(II) What is the magnitude of the acceleration of a speckof clay on the edge of a potter’s wheel turning at 45 rpm(revolutions per minute) if the wheel’s diameter is 35 cm?arrow_forward. (II) The tires of a car make 75 revolutions as the carreduces its speed uniformly from 95 km/h to 55 km/h Thetires have a diameter of 0.80 m. (a) What was the angularacceleration of the tires? If the car continues to decelerateat this rate, (b) how much more time is required for it tostop, and (c) how far does it go?arrow_forward
- (II) A child rolls a ball on a level floor 3.5 m to another child. If the ball makes 12.0 revolutions, what is its diameter?arrow_forward(b) A pulley of 5-cm radius, on a motor, is turning at 1,800 rpm and slows down uniformly at 1,200 rpm in 2 seconds. Calculate the angular acceleration of the motor, the number of revolution it makes in this time, and the length of the belt it winds in this time.arrow_forwardwhat is the rate of revolution [ in revolution per minute (or rpm)] of a centrifuge if a particle that is 5.0 cm away fromits axis of rotation is accelerated by a rate of 1 500 g?arrow_forward
- How fast (in rpm) must a centrifuge rotate if a particle 8.50 cm from the axis of rotation is to experience an acceleration of 120000 g's?arrow_forwardHow fast (in rpm) must a centrifuge rotate if a particle 9 cm from the axis of rotation must experience an acceleration of 10,000 m / s2?arrow_forward(II) A skateboarder, with an initial speed of 2.0 m/s, rolls virtually friction free down a straight incline of length 18 m in 3.3 s. At what angle 0 is the incline oriented above the horizontal?arrow_forward
- (II) What is the linear speed, due to the Earth’s rotation,of a point (a) on the equator, (b) on the Arctic Circle(latitude 66.5° N), and (c) at a latitude of 42.0° N?arrow_forwardA cyclist On & circular track of radius r = 240 m is traveling at 8 m/s His speed in the tangential direction (i.e, the direction of his travel) increases at the rate of 1 m/s?. What Is most nearly the cyclist's total acceleration? (A) -0.9 m/s? (B) 0.7 m/s? (C) 0.9 m/s? (D) 1.0 m/s?arrow_forward12–114. The automobile has a speed of 80 ft/s at point A and an acceleration having a magnitude of 10 ft/s?, acting in the direction shown. Determine the radius of curvature of the path at point A and the tangential component of acceleration. 0 = 30°arrow_forward
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