A 50.0-kg child stands at the rim of a merry-go-round of radius 2.95 m, rotating with an angular speed of 3.85 rad/s. (a) What is the child's centripetal acceleration?  ___________m/s2 (b) What is the minimum force between her feet and the floor of the carousel that is required to keep her in the circular path?  ___________N (c) What minimum coefficient of static friction is required? Is the answer you found reasonable? In other words, is she likely to stay on the merry-go-round? _____Yes _____No

Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 2.95 m, rotating with an angular…

A: a) The expression for find centripetal acceleration is ac=v2r=ωr2r=ω2r Insert values in the above…

Q: A 1.25 g pepperoni rests at a distance of 7.5 cm from the centre of a pizza being spun by the pizza…

A: mass (m) = 1.25 g = 0.00125 kg distance from center (r) = 7.5 cm = 0.075 m Angular speed (ω) = 68…

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

A:

Q: A 80 Kg man rides a spinning amusement park ride that has a radius of 10.8 m. If the person's…

A: Given data :              Mass of the man , m = 80 kg              Radius , r = 10.8m…

Q: The centripetal force of a rotating object in a circular path of a diameter of 60 cm and a mass of…

A:

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: An athlete swings a 5.30-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Mass of ball (m) = 5.30 kg radius of circle (r) = 0.950 m angular speed (ω) = 0.410 rev/sec

Q: It has been suggested that rotating cylinders about 12.5 mi long and 3.58 mi in diameter be placed…

A:

Q: An athlete swings a 6.90-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Given: The mass of the ball is 6.9 kg. The radius of the circular path is 0.67 m. The angular speed…

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

A: (a) angular speed is, ac=rω2ω=acrω=88.2 m/s24.04 mω=4.67 rad/s

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

A: R, radius = 4.80 m acceleration, ac= 9g = 88.2 m/s2

Q: 5. A child rides a bicycle in a circular path with a radius of 2.0 m. The tangential speed of the…

A: Write the given values using suitable variables. Here r signifies radius, v signifies tangential…

Q: If planet Earth has a radius of 6,378 X106m, how much is the tangential speed of a person located at…

A: Radius of earth (R)=6.378×106 m Mass of the person (m)=62.7 kg Time period of earth's rotation…

Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 2.00 m, rotating with an angular…

A: Given:  mass,m = 50 kg  radius, r =  2 m  angular speed, w = 3 rad/s

Q: A 80.0 kg passenger is seated 12 m from the center of the loop of a roller coaster. What…

A:

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

A:

Q: Now we have a rod-shaped space station of length 572 m and mass 6.59 x 10^6 kg, which can change its…

A:

Q: A 50.0 kg child stands at the rim of a merry-go-round of radius 2.20 m, rotating with an angular…

A:

Q: A flea gets its thrills by riding on the outer edge of a golden oldies record album of radius 15 cm…

A:

Q: ao In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the…

A: Let ar denote the centripetal acceleration, ω denote the angular velocity of the trainee, r denote…

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

A: (a) The centripetal acceleration in terms of angular speed is given by, ac=rω2 Here, r is the radius…

Q: Assuming a successful man-made satellite rotates around the earth at a rate of 7 rev in 6.5 days.…

A:

Q: A 0.5 m radius wheel is to rotate from rest and attains a speed 100 rad/s in 5 s. Find its…

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Q: 13. Calculate the centripetal force needed to keep a 10 kg child in a uniform circular motion having…

A:

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

A: mass of child = 50 kg Radius = 2.85 m w ( angular speed) = 3.9 rad/sec

Q: A bicycle is riding at a tangential speed of 13.2 m/s around a circular track. The magnitude of the…

A:

Q: Disk 1 has a radius r and rotates with an angular velocity v. A point on the rim ofdisk 1 has a…

A: Let the radius of Disk 1 and 2 be r1 and r2 respectively, tangential speed of disk 1 and 2 be V'1…

Q: It has been suggested that rotating cylinders about 16.5 mi long and 5.56 mi in diameter be placed…

A: The expression for find angular speed of the cylinder is ω=acr=acd2

Q: Which among the following statements is CORRECT? A.) The value of free-fall acceleration g = 9.80…

A: A) value of free-fall acceleration g = 9.80 m/s2 is not  equal to the constant of universal…

Q: Olympic ice skaters are able to spin at about 5.0 rev/s. a. What is their angular velocity in…

A:

Q: Two children are riding on a merry-go-round that is rotating at a constant rate. Child A is at a…

A:

Q: A toy car of mass 9.5 kg is moving in a circular path (9m In diameter) at a tangential velocity of 9…

A:

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

A: (a) centrifugal acceleration is given  by,      ac=ω2R where ω is angular speed            R is…

Q: How fast (in rpm) must a centrifuge rotate if a particle 9 cm from the axis of rotation must…

A: Given, the distance of the particle from the axis of rotation (i.e., the radius of the circle in…

Q: A link with a slider is rotating as shown in figure. At this instant the sliding velocity of slider…

A: Given data: The sliding velocity of slider is v=3 m/s. The tangential acceleration is at=4 m/s2.…

Q: A point on the rim of a rotating flywheel changes its speed from 1.5 m/s to 9 m/s while it moves 60…

A:

Q: A point mass of 0.36 kg is set to rotate about a fixed axis 0.72 m away. The mass is initially at…

A: The angular final velocity is,

Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 2.00 m, rotating with an angular…

A: Given: The mass of the child is m=50 kg. The radius of merry-go round is r=2 m. The angular speed…

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

A: Given dataAcceleration (a) =9g=88.2m/s2Radius (r) =4.23m

Q: A 50.0kg child stands at the rim of a merry-go-round of radius 2.20m, rotating with an angular speed…

A: Given Data: The mass of a child is, m=50.0 kg The radius of a wheel is, r=2.20 m The angular speed…

Q: If a human centrifuge has a radius of 4.59 m, what angular speed (in rad/s) results in a centripetal…

A:

Q: An automobile with a mass of 1350 kg follows a curved road with a radius of 45m. This time, however,…

A: Given that:Mass of the automobile, m= 1350 kgRadius of the road, r=45mCoefficient of kinetic…

Q: He throws a ball towards the batsman. The ball starts to spin with 18.0 rev/s. The radius of the…

A:

Q: A wind turbine whose blades are 19 m is rotating counterclockwise at a rate of 0.12 rev/s. It…

A:

Q: Now we have a rod-shaped space station of length 1023 m and mass 4.86 x 10^6 kg, which can change…

A: Given data *The given length of the space station is L = 1023 m *The given mass is m = 4.86 × 106 kg…

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.