A speed skater goes around a turn that has a radius of  26 m. The skater has a speed of  14 m/s and experiences a centripetal force of  450 N. What is the mass of the skater?

Q: Chris tied a 902g rock to a rope and swung it above his head, making 35 complete revolutions in two…

A: Mass of rock (m) = 902 g = 0.902 kg Number of revolutions in 2 minutes = 35Number of revolutions in…

Q: A string under a tension of 49.0N is used to whirl a rock in a horizontal circle of radius 2.75 m at…

A:

Q: A 35.0 kg child moves with uniform circular motion while riding a horse on a carousel. The horse is…

A:

Q: A roller coaster at the Six Flags Great America amusement park in Gurnee, Illinois, incorporates…

A: Acceleration, a = 2g = 2(9.8 m/s2 ) Speed at top, v = 14.4 m/s

Q: Determine the centripetal force acting upon a 40-kg child who makes 10 revolutions around the…

A: Mass of the child is, m=40 kg Radius of the barrel is, R=2.90 m Number of revolutions are, n =10…

Q: You are designing the section of a roller coaster ride shown in the figure. Previous sections of the…

A: Given data: Speed of the train, v=10.7 m/s Height above the ground, h=37.5 m Acceleration at the top…

Q: The majority of satellites orbiting the Earth do so at altitudes between 160 and 2,000 kilometers.…

A: Here gravitation force work as a centripetal force

Q: A mass of 1.5 kg moves in a circle of radius 25 cm at a constant 2 rev/s. Calculate (a.) The…

A: Given: Radius of circle, r = 25 cm revolution, n = 2 rev/s ⇒ω=2πn = 2π×2 rev/s⇒ ω = 4π rev/s mass,…

Q: It has been suggested that rotating cylinders about 16.5 mi long and 3.60 mi in diameter be placed…

A:

Q: A woman places her briefcase on the backseat of her car. As she drives to work, the car negotiates…

A: It is given that, r=49.7 mv=14.3 m/s

Q: A baseball pitching machine works by rotating a light and stiff rigid rod about a horizontal axis…

A: Given,

Q: A roller coaster goes through a loop with radius 10 m (at the top). What speed is necessary for the…

A:

Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as…

A: Given, length of the arc ABC, 214 mtime taken to complete, t = 34.0 s

Q: 9. A student is riding on a carousel at a speed of 4.0 m/s. If the Carousel has a radius of 5.0 m…

A: Image-1

Q: Chris tied a 902g rock to a rope and swung it above his head, making 35 complete revolutions in 2…

A:

Q: A 4 kg rock rolls around the edge of a circle with a radius of 1.5m. If it is rolling at a speed of…

A: Given data-                             rock mass (m) = 4 Kg                           radius of…

Q: What is the direction of the centripetal force in a circular motion? O parallel to the tangential…

A:

Q: Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the…

A: Given data: The length of blades are: r = 56 m The revolutions of the blade are: N = 13 rpm The…

Q: A tetherball is a type of vertical pendulum where the ball swings freely in a horizontal circle…

A:

Q: You plan to throw stones by using a sling that you whirl over your head. You will whirl the stone in…

A: Given Height h = 2.40 m Radius r = 1.50 m Distance travelled d = 14.9 m

Q: A wind turbine has 12,000 kg blades that are 38 m long. The blades spin at 22 rpm. If we model a…

A:

Q: Figure 1 shows a 100 g pick revolving around at 200 rpm on a 20-cm-radius circle on a frictionless…

A: Given The mass of the pick is m=100 g. The initial radius covered by the pick is r1=20 cm. The…

Q: Four children are sitting on a merry-go-round at different distances from the center (axis of…

A:

Q: Yelena is driving her car on a dry, non-slippery road. The car moves forward with a speed of 34.1…

A: Given data:  Speed (v) = 34.1 m/s Radius (r) = 0.45 m Required: Centripetal acceleration (ac)

Q: You are designing the section of a roller coaster ride shown in the figure. Previous sections of the…

A: Given: The speed of train (v) = 10.7 m/s. Initial height of train (h) = 36.7 m.

Q: A speed skater goes around a turn that has a radius of 31 m. The skater has speed of 14 m/s and…

A: The mass of the skater can be calculated in given steps:Given:

Q: You are designing the section of a roller coaster ride shown in the figure. Previous sections of the…

A: Given Data: The top of incline train has a speed of,v=13.1 m/s The height above the ground is,…

Q: A child turns a ball through a rope tied to it with a vertical circle. The ball is seen to turn 160…

A:

Q: A child of mass 20 kg swings from a 5.90 m long rope, see the figure below. Her tangential speed at…

A:

Q: It has been suggested that rotating cylinders about 13.0 mi long and 6.42 mi in diameter be placed…

A:

Q: A car is driving around a circular track of a radius of 100 meters.  The car drives a distance of…

A: Radius of the circular track is R = 100 m Distance traveled by the car is d = 250 m

Q: The shaft of the engine of a car rotates at 4,258 rpm. A flywheel 24.5 cm in diameter rotates with…

A: Given that:Angular speed, ω=4258 rpm=4258×2π60=445.9 rad/sDiameter, d=24.5 cmRadius, r=24.52×10-2 m

Q: A motorcyclist performs uniform circular motion on a globe of death with a radius of 4.00 m. It has…

A: Given, Radius of globe of death ,r = 4.0 m  Speed ,v = 10.9 m/s  Mass = 200 kg  g = 10.0 m/s2

Q: A satellite moves in a circular orbit around the earth at the height of 34,183 kilometers above the…

A:

Q: A string under a tension of 49.5 N is used to whirl a rock in a horizontal circle of radius 2.55 m…

A: It is given that,

Q: A ferris wheel has aradius of 12 m turns so that the riders experience a constant speed of 3.2 m/s.…

A:

Q: A skater moves with 13.57 m/s in a circle of radius 35.0 m. The ice exerts a centripetal force of…

A: Given: v=13.57 m/sr=35.0 mFc=336.09 Nm=?

Q: Luther is designing a roller coaster for an amusement park. At one point, the roller coaster will…

A: Given Data : The speed of the roller coaster at the start of the loop is given as v=31.8 ms  The…

Q: speeding around a turn of radius 30.0 m at a constant speed of 15.0 m/s.  Assuming your mass is…

A: Given  Radius r = 30 m  Speed v = 15 m/s  Mass m = 75 kg

Q: A cyclist turns a corner with a radius of 50m at a speed of 6.6 m/s. If the cyclist and bicycle have…

A:

Q: Calculate at what speed the earth would have to rotate in order that objects at the equator would…

A: Introduction: Earth's gravitational field exerts force due to gravity on the each object on the…

Q: A physics student ties a ball with a mass 0.30kg to a string which can exert a maximum force of 41 N…

A: Given data: Mass of the particle (m) = 0.3 kg Maximum possible force in the string (F) = 41 N Radius…

Q: A bead is released at the top of a long ramp, slides down to the bottom and ascends a vertical loop…

A:

Q: judy (62kg) is riding a roller coaster and enters the bottom of a dip with a radius of curvature of…

A: The expression for the normal force acting on Judy's body is, F=mv2r

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.