A laser beam aimed from the earth is swept across the face of the moon. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Rotation of a compact disc. Part A If the beam is rotated at an angular velocity of 1.65 x 10 3 rad/s, at what speed does the laser light move across the moon's surface? (See Appendix E in the textbook for the moon's orbital radius.) Express your answer with the appropriate units. ON HA Value Units Submit Request Answer Part B If the diameter of the laser spot on the moon is 5.85 km, what is the angle of divergence of the laser beam? Express your answer in radians

Q: Suppose a piece of food is on the edge of a rotating microwave oven plate. Does it experience…

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Q: Part A An electric turmtable 0.780 m in diameter is rotating about a fixed axis with an initial…

A: As per the answering guidelines we will solve first three parts. Please upload rest of the Parts…

Q: An object at rest begins to rotate at t = 0 with constant angular acceleration. Aftera time t the…

A: (a) Kinematic relation for angular acceleration of angular acceleration

Q: A centrifuge is a common laboratory instrument that separates components of differing densities in…

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Q: A penny that is placed at the outer edge of a disk with a radius of 0.150 m rotates about an axis…

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Q: An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 110 Hz. (a)  What is the…

A: v=rω=r2πf=2π7.50 cm1 m100 cm110 Hz=51.8 m/s

Q: D. Would two observers on either side of a rotating object agree on the direction of the angular…

A: To analyze the observers on either side of a rotating object agree on the direction of the…

Q: Part A A Ferris wheel with radius 14.8 m and initial angular speed 0.18 rad/s starts speeding up…

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Q: (b) A prize wheel in a theme park consists of 12 equal segments and numbered from 1 to 12 as shown…

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Q: A clock is mounted on the wall. As you look at it, what is the direction of the angular velocity…

A: The direction of the angular velocity vector of the second hand of the clock mounted on the wall ,…

Q: A toy race car is racing on a circular track. The car is 4 feet from the center of the racetrack. 4…

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Q: Part A Exactly one turn of a flexible rope with mass m is wrapped around a uniform cylinder with…

A: Given data: Mass for cylinder = M Radius for cylinder = R Initial angular velocity for cylinder = ωo…

Q: . (II) A turntable of radius R1 is turned by a circular rubberroller of radius R2 in contact with it…

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Q: The horse on a carousel is 4.0 m from the central axis.a. If the carousel rotates at 0.10 rev/s, how…

A: The time taken can be obtained as

Q: A rotating space station can simulate the gravitational acceleration on Earth. (a)  If the Station…

A: Diameter  of space station,D=600mRadius,  R=D2=6002m=300m

Q: As Tony the fisherman reels in a "big one" he turns the spool on his fishing reel at a constant rate…

A: Given data: Angular velocity, ω=3.6 rev/s Outer radius, r=3.4 cm

Q: (A) What is the centripetal acceleration of the Earth as it moves in its orbit around the Sun?…

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Q: find the mass of Planet X.   b) Suppose that at the moment the spacecraft reaches its maximum…

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Q: A centrifuge rotor is accelerated for 25. s from 5000 rpm to 12000 rpm (revolutions per minute).…

A: Angular acceleration is rate of change of angular velocity with respect to time.  α=∆ω∆t Number of…

Q: The tires on a new compact car have a diameter of 2.0 ft andare warranted for 60 000 miles. (a)…

A: Given D = 2.0ft          R= 1.0ft

Q: s Some dragonflies are observed to splashinto the water to bathe, and then spin rapidly to shed the…

A: Given: Frame rate of video shot (f) = 240 frame/rate Dragonflies complete one spin revolution in 14…

Q: A spectator standing in the center of a circular running track observes a runner starting a practice…

A: Given data: Radius of the circular track, r=256 m Time taken to cover the distance, t=20.0 s

Q: Lynne jogs daily around a circular track of diameter 25m for a total distance of 942 m in 5.0 min…

A: part (a) solution:

Q: n object is traveling around a circle with a radius of 12 centimeters. If in 10 seconds a central…

A: Given Radius of circle r=0.12m Time taken t=10s Angle swept out θ=17 rad

Q: (a) If this bicycle wheel depicted makes 360 revolutions in 4 minutes and 48 seconds at constant…

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Q: Suppose you have two eggs, one hard-boiled and the other uncooked. You wish to determine which is…

A: Given :     Two eggs, one is hard boiled whereas the other is undercooked. Aim :     Determine which…

Q: (a) ‘Is the lion faster than the horse?’ On a rotating carousel or merry-go-round, one child sits on…

A: Given, Horse near the outer edge and lion on halfway out from the centre initial angular speed =0…

Q: 1) A unicorn is standing on a rotating platform, so that it can be admired from every angle. The…

A: As  F=mω2R=μmg

Q: a) Consider a particle moving at a constant speed in a straight line with no forces acting on it.…

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Q: a. A Ferris wheel has a radius of 24 feet and completes one revolution (or full rotation) every 6…

A: ω=Angular velocityθ=Angular displacementt=Timev=Linear velocityc=Cicumference of cirle=2πrr=Radius…

Q: The Moon orbits around the Earth and also spins on its axis. a)What is the angular momentum of the…

A: The mass of the Moon,

Q: (a) Show that the angle that the total velocity vector makes with the horizontal at the point of…

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Q: A three-blade wind turbine, which spins perpendicularly to the ground, is set on a pole that is 38 m…

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Q: Mars is about twice as far from the sun as Venus. A Martian year, which is the time it takes Mars to…

A: (a) (b)The rotational speed of planets is inversely proportional to the distance from the sun.The…

Q: A Ferris wheel on a California pier is 27 m high and rotates once every 32 seconds in the…

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Q: Part (d) What is the angular displacement, in radians, during the time interval from 3.75 s to 12.25…

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Q: An automobile traveling 100 km/h has tires of 71.0 cm diameter. (a) What is the angular speed of the…

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Q: A centrifuge used to accustom astronaut trainees to high accelerations has radius ? of the circle…

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Q: A thin stick of mass 0.2 kg and length L = 0.5 m is attached to the rim of a metal disk of mass M =…

A: Given data: The mass of the thin stick is m=0.2 kg. The length of thin stick is L=0.5 m. The mass…

Q: Suppose a truck is (still!) going around a roundabout somewhere in Wisconsin. The roundabout has a…

A: As it is given that track is round so all the formulas that we are going to use will be of circles.

Q: Suppose a car is travelling through a bend in a road that can be described by the hyperbola y = + 20…

A: Given:  y = 50x1002+20When x = 100m, speed = 40 km/hrand acceleration = 8000 km/hr2

Q: An electric motor rotating a workshop grinding wheel at a rate of 1.00×102 rev/min is switched off.…

A: a) The angular acceleration of the wheel is,

Q: time of 5 rotations (16.5 s) Time of 1 rotation (3.3 s) Distance from shoulder to elbow (20.32cm)…

A: Time of 5 rotations (16.5 s) Time of 1 rotation (3.3 s) Distance from shoulder to elbow (20.32cm)…

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.