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Q: e.g.: A flywheel (radius 0.2m) is rotating with angular speed 150r min-¹. Now it is braked and after…
A: The initial angular speed is 150 rpm. The radius of the wheel is 0.2 m. The final angular speed of…
Q: A CD rotates at 5600 revolutions per min. The disk has a radius of 15 cm. What is the centripetal…
A: ω=5600 rpm×2π rad1 rev×1 min60 s=586.43 rad/s
Q: USE VECTOR NOTATIONA centrifuge in a medical laboratory rotates with an angular speed of 3,600 rpm…
A: Given :Initial angular speed = 3600 rpmFinal angular speed = 0 rpmAngular displacement = 60…
Q: The period of rotation of Moon in hours is 655.7 hr. Given that Moon has a radius of 1.7 X 10^6 m at…
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Q: An automobile slows down as it rounds a sharp horizontal turn, going from 13.0 m/s to 19.0 m/s in…
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Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a…
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Q: A disk 6.00 cm in radius rotates at a constant rate of 98.0 rev/s about its central axis. (a)…
A: Given: radius of disc, r = 6 cm = 0.06 m frequency of rotation, f = 98 rev/s distance from the…
Q: NASA’s 20-G centrifuge (https://www.nasa.gov/ames/research/space-biosciences/20-g-centrifuge) can be…
A: The equation for centripetal acceleration is, ac=rω2 the angular velocity is, ω=31…
Q: An amusement park ride consists of a car which is attached to the cable OA. The car rotates in a…
A: The speed of the car is 8 ft/s, when r=11 ft. The speed of the pulling of cable is 1 ft/s. The time…
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 wheel executes 171 radians to coast to rest from a speed of 73 rad/s. Assuming constant…
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Q: A wheel originally turning at 70 rev/s decelerates uniformly to rest in 8s. Find the magnitude of…
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Q: F4-12. If the two forces F, = {100i – 120j + 75k} lb and F2 = {-200i+ 250j + 100k} lb act at A,…
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Q: Question (4): A child twirls a small 0.1 kg ball attached to the end of a 0.95 m string so that the…
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Q: A carosel at the local carnival rotates once every 45 seconds. (a) What is the linear velocity of an…
A: Given:Time,t=45 sNow,A)The radius and time period to obtain the linear velocity of the outer horse…
Q: Find (a) the circumference of the circle (b) the tension in the string (c) the centripetal…
A: Given linear speed v = 1.5 m/s radius r = 0.20 m We have to find out angular velocity and time…
Q: Figure shown below is a crank and slider mechanism. Link AB rotates on a counterclockwise manner…
A: Given, ω=6 rad/sVc=4t2 m/sVc at t=0.75 secAc at t=0.75 sec
Q: A wheel of radius 5.9 cm is rotating at 600 radians per second. The linear velocity of particle at…
A: Given in question: Radius(R) = 5.9 cm = 0.059 meter Angular…
Q: Find the angular deceleration of the wheel. The acceleration due to gravity is 9.8 m/s. Assume the…
A: Angular Acceleration The angular acceleration of an object rotating about a point is given as the…
Q: The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 7.34…
A: Given:- The large blade of a helicopter is rotating in a horizontal circle. The length of the blade…
Q: A rock is spun in a sling at a constant speed of 56.0 m/s. What rate of rotation, in rev/s, is…
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Q: For this question, use proper sig.figs. A cart and a bucket are attached to a rope, which is passed…
A: Have a look
Q: A 35.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What…
A: we know that centripetal force Fc= mw2Rwhere m is massw is angular velocity R is distance from…
Q: A car (rwheel = 50 m) with initial angular velocity of 9.2 rev/s begins to decelerate to rest within…
A: Given: The radius of the wheel is 50 m. The initial angular speed is 9.2 rev/s. The time interval is…
Q: Find the tangential component of acceleration for r(t)=t2i+t2j+t3k.
A: The tangential component for the acceleration is, aT=r't·r''tr't therefore,…
Q: Object A weighs 64.4 lb and has a radius of gyration of 0.60 ft with respect to a horizontal axis…
A: Given that: Weight of A, WA=64.4 lbHence the mass of A, MA=WAg=64.432.2 =2 slugRadius of gyration of…
Q: (a) A 22.0 kg child is riding a playground merry-goround that is rotating at 40.0 rev/min. What…
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Q: A large centrifuge is used to expose aspiring astronauts to accelerations similar to those…
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Q: A wind turbine is rotating counterclockwise at 0.78 rev/s and slows to a stop in 21 s. Its blades…
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Q: What is the centripetal force needed to keep a 3.0 kg mass moving in a circle of radius 0.50 m at a…
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Q: Due to the Earth's rotation, when an object is dropped from rest from the top of a high tower, it…
A: Let h denotes the building height, t denotes the time taken to fall freely, and g denotes the…
Q: (a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 30.0 rev/min. What…
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Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a…
A: a) The centripetal acceleration is,
Q: For a centrifuge rotating at 5.91e+3 rpm (rpm = revolutions per minute) with a radius of 1.27 cm,…
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Q: A maintenance man is twirling a set of keys on the end of a lanyard. If the keys have a centripetal…
A: Centripetal acceleration is given by ACP =V2/R Here, ACP = centripetal acceleration = 145 m/s2. V =…
Q: Write the acceleration in terms of its tangential and normal components.
A: The expression for acceleration in terms of curvature and speed,
Q: A flywheel is rotating at an angular velocity of 100 rad/s. A brake is applied to the flywheel and…
A: Given Data The initial angular velocity of flywheel is:ωo=100 rad/s The angular velocitry after…
calculate the momet of inertia along x axis
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