The earth is approximately spherical, with a diameter of 1.27 * 107 m. It takes 24.0 hours for the earth to complete one revolution. What are the tangential speed and radial acceleration of a point on the surface of the earth, at the equator?

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

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Q: What is the tangential acceleration of a bug on the rim of a 10.0 inch diameter disk if the disk…

A: Given:-   A bug on the rim of an r = 10.0-inch= 0.254 m  diameter disk if the disk accelerates…

Q: To throw the discus, the thrower holds it with a fully outstretched arm. Starting from rest, he…

A: The objective of the question is to find the speed of the discus at the point of release. This can…

Q: A bicycle tire of radius 5.1meter  rotates {theta}radian in time 6.9 seconds. Calculate the…

A: Given: The radius of the tire is r=5.1 m. The number of rotations is θ. The time taken to complete…

Q: A particle is moving along a circular path of radius 1.5 m and has an angular velocity of 10 rads/s.…

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Q: 35. Some bacteria are propelled by biological motors that spin hairlike flagella. A typical…

A: It is given that,

Q: The angular speed of a rotating platform changes from ω0 = 2.6 rad/s to ω = 8.8 rad/s at a constant…

A: The tangential acceleration is 3.45s2m​Explanation:Step 1:Initial angular speed is  2.6srad​ Final…

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

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Q: What is the magnitude of the angular acceleration of a car following a curve of radius 500 m at a…

A: SOlution: Given that car moving in the curve r =500 m v = 25 m/s

Q: An ultracentrifuge accelerates from rest to 9.81 × 10³ rpm in 2.23 min. What is its angular…

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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: An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad/s). If a…

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Q: A “blink of an eye” is a time interval of about 150 ms for an average adult. The “closure” portion…

A:

Q: An individual's arm segment is 0.35 m long and has an angular acceleration of 90°/s². What is their…

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Q: A planet orbits a star, in a year of length 3.48 x 107 s, in a nearly circular orbit of radius 1.51…

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Q: To throw the discus, the thrower holds it with a fully outstretched arm. Starting from rest, he…

A: See below

Q: A planet orbits a star, in a year of length 3.48 x 10's, in a nearly circular orbit of radius 1.51 x…

A: Given data: Time period, T=3.48×107 s Radius of the orbit, R=1.51×1011 m

Q: A race car travels with a constant tangential speed of 73.7 m/s around a circular track of radius…

A: Given that Constant tangential speed V = 73.7 m/s Radius of circular track R = 646 m

Q: A disk of radius 14 cm, initially at rest, begins rotating about its axis with a constant angular…

A: Given that---- radius r = 14 cm. Angular acceleration = 8.9 rad/s2. Time t = 7 sec. Question ?…

Q: A motorsports driver is driving his car at a constant speed of 42.5 m/s on a circular track with a…

A: Given Data : Speed of the car u = 42.5 ms Radius of circular track R = 275 m let ω denotes the…

Q: Suppose a circular disk is rotating at a rate of 60 revolutions per minute. a) Determine the angular…

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Q: An object is traveling on a circle with a diameter of 10 cm. If in 20 seconds a central angle of 1/3…

A: Diameter = 10 cm  Time ( ∆t ) = 20 second  Change in angular displacement ( ∆w ) = 1/3   Radius = 5…

Q: What is the angular velocity of the earth in rad/s? W=?

A: Given data :- Time period T = 24 hours = 24 × 3600 s = 86400 s

Q: angential speed, in m/s, of Nairobi, Kenya, a city near the equator? The earth makes one revolution…

A: GivenT=23.93 hr=6380 km=6380000 m

Q: A basketball (spherical shell) with r = tangential force of F = 29N. What is the angular speed (in…

A: We have a basketball of radius r=0.8 m and mass m=9 kg which is rotating about its own axis due a…

Q: To throw a discus, the thrower holds it with a fully outstretched arm. Starting from rest, he begins…

A: Given data The diameter is, d = 1.8 m The time is, t= 1 s The displacement is  θ = 1 rev Step 1 The…

Q: optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad/s). If a…

A:

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: What is the magnitude of the average angular velocity of the eye?

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Q: Point P in the figure is at rest on the +x-axis when it begins to experience a constant angular…

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Q: The disk starts at ω0 = 2 rad/s when θ = 0, and is given an angular acceleration a = (0.3θ) rad/s2,…

A: Given :                    ω0 = 2rad/sa = (0.3θ) rad/s2                     r = 2m

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

A:

Q: An ultracentrifuge accelerates from rest to 9.83 x 10° rpm in 2.23 min. What is its angular…

A: Given : Initial angular velocity (wo) = 0 Final angular velocity (w) = 9.83 x 105 rpm = 9.83 x…

Q: Conceptual Example 2 provides some relevant background for this problem. A jet is circling an…

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Q: A track star runs a 275 m race on a 275 m circular track in 30 s. What is his angular velocity (in…

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

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Q: The earth has a radius of 6.38 x 106 m and turns on its axis once every 23.9 h. (a) What is the…

A: (a)The angular speed of the Earth rotation is,Substitute the values,

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 “blink of an eye” is a time interval of about 150 ms for an average adult. The “closure” portion…

A:

Q: A disk 8.08 cm in radius rotates at a constant rate of 1 150 rev/min about its central axis. (a)…

A: (a)  120.43 rad/s (b)   3.637 m/s (c)   1.172 km/s (d)   19.072 mExplanation:

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 discus thrower spins the discus in a circle of radius 80.0 cm. At a certain instant, the launcher…

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Q: A person is riding a bike around a corner (radius = 3 m) with a angular acceleration of 42…

A: Given : Radius of the track = 3 m Angular acceleration of bike, α = 42 degrees/s2 = 0.733038…

Q: A child is holding a string with a ball tied at the end. The child spins around in a circle causing…

A: Given: Radius of the string (r) =  1.3 m Angle with the horizontal, θ=48.8°   Solution: From above…