Answered: An object rotates a full circle of…

An object rotates a full circle of radius 2m in 5 sec. What is the tangential speed of the object. O A. 0.5 п m/s O B. 0.8 n m/s O C.0.2 n m/s O D:0.6 n m/s

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 32P: A compact disc rotates at 500 rev/min. If the diameter of the disc is 120 mm, (a) what is the...

See similar textbooks

Related questions

Q: Tangential speed is measured in units of ? choose all that apply. A. mph B. Rotation per…

Q: 1. A rotating merry-go-round makes one complete revolution in 4.0 s (a) What is the linear speed of…

Q: A race car makes one lap around a track of radius 73.2 m in 12.5 s. What is it's tangential…

A: SOlution:' given that r = 73.2 m T= 12.5s

Q: A ride rotates at, θ(t) = (π/4) t − (π/16)t2 + (π/24)t3 . i. What is the angular velocity as a…

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

Q: During a very quick stop, a car decelerates at 7.89 m/s^2. a. what is the angular acceleration (in…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A truck with 0.420-m-radius tires travels at 32.0 m/s. What is the angular velocity of the rotating…

Q: A speck of dust on a spinning DVD has a centripetal acceleration of 24 m/s2. What is the…

A: The centripetal acceleration is given by, a=rω2 Here, r is the distance of the dust from the center…

Q: A hamster running in a wheel of radius 10 cm spins the wheel at 11 revolutions per minute. a) What…

Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 1.50 min. (Enter the magnitudes.) (a)…

Q: 1. An object is swung in a horizontal circle with a radius of 0.5 m. If the object makes one full…

Q: With the aid of a string, a gyroscope is accelerated from rest to 35 rad/s in 0.38 s. (a) What is…

A: Given(s): Initial angular velocity, ωi=0 Final angular velocity, ωf=35 rad/s Time taken, t=0.38 s…

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

A: Given data: Acceleration, a=88.2 m/s

Q: A ceiling fan turns at a rate of 20 RPM what is its speed in radians per second, and the speed of a…

Q: With the aid of a string, a gyroscope is accelerated from rest to 19 rad/s in 0.26 s. (a) What is…

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

A: Centripetal acceleration =ω2R Linear speed=V=ωR where ω=angular speed R =radius

Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 3.00 min. (a) What is its angular…

Q: A merry-go-round rotates from rest with an angular acceleration of 1.99 rad/s². How long does it…

A: Initial angular velocity (ωo) = 0 radsAngular acceleration (α) = 1.99 rads2

Q: A wind turbine is rotating counterclockwise at 0.78 rev/s and slows to a stop in 17 s. Its blades…

Q: A disk that is 3 m in radius spins at the rate of 4 revolutions per second. 000 What is its angular…

A: Given data Radius of the disk, R=3 m Rate of revolution, ω=4 revoluyiond/ second

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

A: (a) The expression for the angular speed is, ω=ar Substituting the givens, ω=9g5.09 m =99.8…

Q: With the aid of a string, a gyroscope is accelerated from rest to 30 rad/s in 0.41 s. (a) What is…

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

A: Given,Radius, r = 4.5mCentripetal acceleration, ac=9g

Q: An athlete swings a 6.00-kg ball horizontally on the end of a rope. The ball moves in a circle of…

Q: st after being turned off?

Q: 1. An object is rotating at an angular velocity wo about an axis that passes from the origin and is…

A: Given: The angular velocity of object =ωo Axis about which object is rotating is 45o with y and x.

Q: An object rotates a full circle of radius 2m in 5 sec. What is the tangential speed of the object.…

A: Given :- r=2m time taken in full rotation = 5 sec

Q: 8. Callum is playing tetherball. The tetherball has a mass of 0.4 kg and has a tangential velocity…

A: Solution: given that m =0.4 kg v = 2.4 m/s r = 1.5 m

Q: 2. A disk that is 3 m in radius spins at the rate of 4 revolutions per second and over a period of…

A: 2. Given, a. radius, r = 3 m initial angular velocity ω0, ω0=4 revsSince, 1 revs=2π radsω0=4…

Q: A 30kg child sits on the edge of a merry-go-round with a radius 5.0m. The merry-go-run rotates as…

Q: It takes a time t = 0.65 s for a record to revolve on a record player once. A particular point on…

A: As we know that for a circular motion, Angular speed (ω) = 2 π/T ---------(1) Where T is time…

Q: A phonograph record accelerates from rest to 40.0 rpm in 5.33 s. (a) What is its angular…

Q: Erza is running her wagon on straight road while chasing Natsu at 200.0 kph. After driving for some…

Q: p…) that is 8 ft long. The incline has a height of 4 in going to 0 inches in 8 ft. There I no…

A: A Billiard ball of radius r = 1.25 in = 0.03175 m The mass of the ball m = 165 g = 0.165 kg it…

Q: A pulley of 8.0 cm radius, on a motor, is turning at 40 rev/s and slows down to 10 rev/s in 4.0 s.…

A: (a)The angular acceleration is given by, α=ωf-ωiΔt Here, ωf is the final angular velocity, ωi is the…

Q: 2. Olympic ice skaters are able to spin at about 15 rev/s. (a) What is their angular velocity in…

Q: Microwave ovens rotate at a rate of about 5 rev/min. What is this in revolutions per second? rev/s…

A: SOLUTION AS

Q: A phonograph record accelerates from rest to 39.0 rpm in 6.03 s. (a) What is its angular…

A: Given data: The initial speed is ω1=0 rad/s. The final speed is ω2=39 rpm×2π60 rad/s1 rpm=4.08…

Q: Son Goku whirled Gohan during their training. Gohan's height is 1.76 m while Son Goku's arm length…

A: Let the velocity of the toe tip is given by v. Let the radius of the circular motion is given by r.…

Q: A race car engine at a maximum rate of 15,000 rpm (Revolutions per minute). What is the angular…

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…

Q: An astronaut is being tested in a centrifuge. The centrifuge has a radius of 14 m and, in starting,…

Q: 1. A discus thrower turns with angular acceleration equal to 50rad/s^2, moving the discus in a…

Q: A truck with 0.380 m radius tires travels at 32.5 m/s. At how many radians per second are the tires…

A: solution as

Q: 1. A disk that is 3 m in radius spins at the rate of 4 revolutions per second. a. What is its…

Q: A particle moves in a circle of radius 80 m with a constant speed of 30 m/s. (a) What is its angular…

Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

An object rotates a full circle of radius 2m in 5 sec. What is the tangential speed of the
object.
O A.
0.5 n m/s
O B. 0.8 n m/s
O C.0.2 n m/s
OD.
0.6 n m/s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

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

Olympic ice skaters are able to spin at about 5 rev/s. (a) What is their angular velocity in radians per second? (b) What is the centripetal acceleration of the skater's nose if it is 0.120 m from the axis of rotation? (c) An exceptional skater named Dick Button was able to spin much faster in the 1950s than anyone since—at about 9 rev/s. What was the centripetal acceleration of the tip of his nose, assuming it is at 0.120 m radius? (d) Comment on the magnitudes of the accelerations found. It is reputed that Button ruptured small blood vessels during his spins.
The dung beetle is known as one of the strongest animals for its size, often forming balls of dung up to 10 times their own mass and rolling them to locations where they can be buried and stored as food. A typical dung ball formed by the species K. nigroaeneus has a radius of 2.00 cm and is rolled by the beetle at 6.25 cm/s. (a) What is the rolling balls angular speed? (b) How many full rotations are required if the beetle rolls the ball a distance of 1.00 m?
Microwave ovens rotate at a rate of about 6 rev/min. What is this in revolutions per second? What is the angular velocity in radians per second?
With the aid of a string, a gyroscope is accelerated from rest to 32 rad/s in 0.40 s. (a) What is its angular acceleration in rad/s2? (b) How many revolutions does it go through in the process?
A wind turbine is rotating conterclockwise at 0.5 rev/s and slows to a stop in 10 s. Its blades are 20 m in length. (a) What is the angular acceleration of the turbine? (b) What is the centripetal acceleration of the tip fo the blades at t=0s ? (c) What is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s ?
An athlete swings a 5.00-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.800 m at an angular speed of 0.500 rev/s. What are (a) the tangential speed of the ball and (b) its centripetal acceleration? (c) If the maximum tension the rope can withstand before breaking is 100. N, what is the maximum tangential speed the ball can have?
Suppose a piece of food is on the edge of a rotating microwave oven plate. Does it experience nonzero tangential acceleration, centripetal acceleration, or both when: (a) the plate starts to spin faster? (b) The plate rotates at constant angular velocity? (c) The plate slows to a halt?
Suppose a Piece of food is on the edge of a rotating microwave oven plate. Does it experience nonzero tangential acceleration, centripetal acceleration, or both when: (a) The plate to spin? (b) The plate rotates at constant angular velocity? (c) The plate slows to a halt?
A truck with 0.420-m-radius tires travels at 32.0 m/s. What is the angular velocity of the rotating tires in radians per second? What is this in rev/min?
An athlete swings a 5.00-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.800 m at an angular speed of 0.500 rev/s. What are (a) the tangential speed of the ball and (b) its centripetal acceleration? (c) If the maximum tension the rope can withstand before breaking is 100. N, what is the maximum tangential speed the ball can have?
A centrifuge in a medical laboratory rotates at an angular velocity of 3600 rev/min. When switched off, it rotates through 50.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge.
The tires on a new compact car have a diameter of 2.0 ft and are warranted for 60 000 miles, (a) Determine the angle (in radians) through (which one of these tires will rotate during the warranty period, (b) How many revolutions of the tire are equivalent to your answer in part (a)?