A motor cyclist rides in a vertical circle in a hollow sphere of radius 5 m. Find the minimum angular speed required so that he does not loose contact with the sphere at the highest point. (g=9.8 m/s2)

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: a) Angular speed = (88.2/4.95 )1/2                                 = 4.22 rad/s

Q: The formula v = 0.03 t can be used to calculate the tangential acceleration of an automobile moving…

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Q: At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 7.30 m above…

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Q: Part A What was the angular acceleration of the tires? Express your answer using two significant…

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Q: A point on the rim of a 0.79 m radius rotating wheel has a centripetal acceleration of 9.2 m/s².…

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Q: A Ferris wheel slows down with a constant angular acceleration of magnitude 5.0 rad/s 2. If the…

A: Given data The magnitude of the acceleration is a = -5 rad/s2. The number of revolutions made by…

Q: A planet orbits a star, in a year of length 2.77 x 107 s, in a nearly circular orbit of radius 3.78…

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Q: It has been suggested that rotating cylinders about 12.5 mi long and 3.58 mi in diameter be placed…

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Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: (a) angular speed is, ac=rω2ω=acrω=88.2 m/s24.04 mω=4.67 rad/s

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: In this case, the radius of a human centrifuge and a trained, fit person wearing a g-suit can…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high- g…

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Q: An advertisement claims that a centrifuge takes up only 0.127 m of bench space but can produce a…

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Q: A race car travels with a constant tangential speed of 81.3 m/s around a circular track of radius…

A: Given- Tangential speed of a car (vt) = 83.1 m/s Radius of track (r) = 686 m.

Q: A point moves on a path of 3m in diameter so that the distance traversed is s= 3t^2. What is the…

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Q: It has been suggested that rotating cylinders about 16.5 mi long and 3.60 mi in diameter be placed…

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Q: an Athlete swings a 5.1 kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Here ,omega = 0.7rev/s R=1.2m Speed ,V=omega×R V=omegaRsin90°;

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: (a) The centripetal acceleration in terms of angular speed is given by, ac=rω2 Here, r is the radius…

Q: A man-made satellite orbits the earth in a circular orbit that has a radius of 21000 km. The mass of…

A: Radius of orbit,R = 21000 km    = 21000 x 103 m   R =  21 x 106 mMass of the Earth, M = 5.97 x 1024…

Q: Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor…

A: Given, the radius of the bacterial motor is r and the tangential speed at the rim is v:

Q: Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor…

A: Consider the angular speed of the bacterial motor be ω0, the angular speed of the rim of the…

Q: A circular plate is in the vertical position rotatable about a horizontal axis located on the edge…

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Q: A point on the rim of a 0.79 m radius rotating wheel has a centripetal acceleration of 9.1 m/s?.…

A: given  radius(R)=0.79 m centripetal acceleration (ac)=9.1 m/s2 point at distance (r)=0.17 m required…

Q: Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor…

A: Linear velocity, v = 2.2 x10-5 m/s Radius, r = 1.9 x10-8 m

Q: A particle is moving in a circle of radius 0.40 m. At an instance when the angular speed is 2.0…

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Q: A planet orbits a star, in a year of length 3.98 x 107 s, in a nearly circular orbit of radius 2.14…

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Q: In the very Dutch sport of ducth-dude-on-a-pole, athletes run up to a long pole and then use it to…

A: Given that:Mass of the vaulter, m= 70 kgTangential speed, v= 3.5 m/sRadius of arc, r= 5.0 mTo…

Q: A floppy disk rotates with a constant angular speed of 60.6 rad/s. Find the tangential speed at a…

A: See below

Q: A planet orbits a star, in a year of length 4.46 x 10' s, in a nearly circular orbit of radius 2.46…

A: Here,

Q: The formula v = 0.03 t can be used to calculate the tangential acceleration of an automobile moving…

A:

Q: A point on the rim of a 0.81 m radius rotating wheel has a centripetal acceleration of 6.9 m/s².…

A: The Centripetal acceleration formula is given by :                            ac = ω2r where,   ω =…

Q: a year of length 3.58 x 107 s, in a nearly circular orbit of radius 2.02 x 1011 m. With r ar speed…

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Q: When you start your record player, a ladybug is sitting on the edge of the record, 15 cm from the…

A: The angular acceleration (α) of the record is given by, Here, ω denotes the angular velocity and t…

Q: Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor…

A: Radius of motor (r) = 1.1 ×10-8 m Tangential speed (v) = 2.4×10-5 m/s

Q: On a carnival ride, you stand next to a wall of a circular drum which spins around the center. When…

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Q: A planet orbits a star, in a year of length 3.95 x 107 s, in a nearly circular orbit of radius 2.19…

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Q: The period of a stone swung in a horizontal circle on a 2.50-m radius is 1.20 s. (a) What is its…

A: Given data: The period of a stone swung in a horizontal circle is, T= 1.20 sec The radius of the…