2. Olympic ice skaters are able to spin at about 15 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?

Q: 8. A 50.0-kg child stands at the rim of a merry-go-round of radius 2.85 m, rotating with an angular…

A:

Q: A car starts from rest and accelerates 0.800 m/s2 to the right for 20.0 s.  (The tires do not slip.)…

A: Given,  a = 0.8 m/s2  t = 20 sec  r = 0.330 m  Let the distance travelled by the car be S We will…

Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a…

A:

Q: A 20-G centrifuge at NASA is used to test the effects of very large accelerations or hypergravity on…

A: (a) Write the relation between the centripetal acceleration and the linear velocity. ac=v2r…

Q: An athlete swings a 5.50-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

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

A:

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

A:

Q: A car travels with an initial velocity of 10 m/s.If it is decelerating at a rate of 3 m/s² , how far…

A: Given data: Initial velocity (v0) = 10 m/s Acceleration (a) = -3 m/s2 Final velocity (vf) = 0 m/s…

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: 2) When you see the moon at night, it "appears" to not be moving. Is this because of the Moon's…

A: We know the linear velocity of Moon V=√(2GM/r) And angular velocity w=V/r Where r is the distance of…

Q: 5. While traveling on a curved dusty road, a car gets a centripetal acceleration of 12.5 m/s² If the…

A: When an object moves in a circle then it has an acceleration vector pointed towards the center of…

Q: 3. In a Bangladesh-Australia cricket match, Sakib Al Hasan throws a ball towards the batsman. The…

A: Givenw=18 rev/s  (angular velocity)w=18*2π rad/sRadius of ball R=7.1 cmR=7.1*10-2m

Q: 1. Two hundred-pound Richard went to Sky Ranch in Tagaytay and rode the Ferris wheel which has a…

A:

Q: 5. A car with 0.260-meter radius tires travels 80,000 km before wearing them out. How many…

A: If the tires make N number of revolution, we have,

Q: 6. Jaycie stands on the outer rim of a merry-go-round, and Helen stands midway between the center…

A:

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,500 rev/min, clockwise (when…

A:

Q: Pilots can be tested for the stresses of flying high-speed jets in a whirling “human centrifuge,”…

A:

Q: 5) A wheel with radius 30 cm spins at a rate of 45 rev/minute. a) What is the tangential velocity of…

A: To find tangential velocity and centripetal acceleration

Q: A bucket filled with water does a vertical circle (looping) with an 80 cm radius. What is the…

A:

Q: 2) A centrifuge in a medical laboratory rotates at an angular speed of 3200 rev/min. When switched…

A: Que-(2) Given data: The initial angular speed of the centrifuge is ω1=3200 rev/min. The number of…

Q: In a medical lab, you put blood in tubes in a centrifuge to separate the plasma from the formed…

A:

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: 2) Once the disk from question 1 is spinning at this final velocity, an additional mass of 5.00 kg…

A: According to conservation of angular momentum If no external torque is present angular momentum…

Q: An athlete swings a 4.10-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Answer Given  Mass of the ball m = 4.10 kg Radius r = 0.710 m  Angular speed ω = 0.520 rev/s

Q: A bicycle wheel with a radius of 0.600 m is spinning clockwise at a rate of 80.0 rpm a) Calculate…

A:

Q: 8. A man is travelling at 25 m/s on the edge of a centrifuge device used for testing astronauts and…

A: Given Speed v= 25 m/s  Radius r = length of arm = 20m

Q: 3. In a Bangladesh-Australia cricket match, Sakib Al Hasan throws a ball towards the batsman. The…

A:

Q: Differ between the angular acceleration with the centripetal acceleration?

A: To determine: The difference between angular acceleration and centripetal acceleration.   Angular…

Q: A rock tied to the end of string swings at a constant angular rate. You measure the rock to pass…

A: The angular displacement of the rock θ=10π Time taken for the angular displacement t=5.30 s The…

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: A child is pushing a merry-go-round of radius 2 m. The angle through which the merry-go-round has…

A: As per Bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: A 100 kg vehicle enters a flat circular turn of radius 5 m. It is initially traveling at 5 m/s…

A: Given data: The mass of vehicle is m=100 kg. The radius of circle is r=5 m. The initial speed is…

Q: Microwave ovens rotate at a rate of about 6 rpm (revolutions per minute). What is this in…

A: Given  N=6 rpm

Q: 1: At its lowest setting a centrifuge rotates with an angular speed of w, = 250 rad/s. When it is…

A: Given:- ω1 = 250 rad/sec ω2 = 650 rad/sec t = 14.5 sec  Find:- a) The angular acceleration at the…

Q: 6. A 50.0-kg child stands at the rim of a merry-go-round of radius 2.90 m, rotating with an angular…

A: Given, mass of the child, m = 50.0 kgradius of a merry-go-round, r = 2.90 mangular speed, ω = 3.80…

Q: Inalarge centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of…

A: given

Q: Astronauts in the International Space Station must work out every day to counteract the effects of…

A:

Q: sidered is motion sickness. Studies have shown that the negative effects of motion sickness begin to…

A: Given data This can be converted into rad/sec as follows we have to find the minimum between the…

Q: (II) How fast (in rpm) must a centrifuge rotate if a particle8.0 cm from the axis of rotation is to…

A:

Q: A space station is rotated at a constant angular speed 'w' in order to produce artificial gravity…

A:

Q: An athlete swings a 6.30-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

Q: A wheel has its speed increased from 120 to 240 r/min in 20 s. What is the angular acceleration? How…

A: Given: The initial angular speed is 120 rev/min. The final angular speed is 240 rev/min. The time…

Q: 6. A centrifuge in a lab rotates at an angular speed of 6500 rev/min. When switched off it rotates…

A:

Q: question 52 please

A: Calculating the maximum speed of the car on the given banked road in order to make the curve without…

Q: 2) A Ferris wheel has a radius of 9 m and rotates 4 times per minute. What is the linear velocity of…

A:

Q: Microwave ovens rotate at a rate of about 6 rev/min. What is this in revolutions per second? What is…

A: Angular velocity of microwave oven in rpm as given:ωrpm=6 rev/minHence,ωrps=660 rev/secondsωrps=0.1…

Q: (II) How fast (in rpm) must a centrifuge rotate if a particle 7.00 cm from the axis of rotation is…

A: Formula of centripetal acceleration is as follows: ac=ω2r…

Q: 3. An object is swung in a horizontal circle with an initial angular velocity of 0 rad/s. If it has…

A: initial angular velocity (ω0) = 0 radsangular acceleration (α) = 2.5 rads2time (t) = 5 sec

Q: 2) If a gear is turning with a speed of 18 m per sec, and its angular velocity is 4 radians per sec,…

A: Given :  angular velocity "w"= 4rad/sec. linear velocity "v"= 18m/s . Formula used :  .…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.