An object of mass 2kg attached to a cuive longth 5'm is revolved in a horizontal circle. If it makes 60 rpm. find its (@Angulae speed (1) Lineae speed. (Ⓒ) Centripetal acceleration. (a) centripetal force.

Q: A 30-kg object moves at 5-rev/s in a circular path of radius 5cm. Calculate its tangential speed,…

A: The tangential speed of the object can be calculated using the formula: v = rω where v is the…

Q: A point on a rotating turntable 20.0 cm from the center speeds up at a constant rate from rest to a…

A: The relation between the angular velocity and the linear velocity is given by, Here, r represents…

Q: The total acceleration develop at the rim of the wheel 100 m/s/s. What is the wheel centripetal…

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Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min, clockwise (when…

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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: Explain why centripetal acceleration changes the direction of velocity in circular motion but not…

A: Work done is the dot product of force and displacement.The amount of work done upon an object can be…

Q: what is the rate of revolution [ in revolution per minute (or rpm)] of a centrifuge if a particle…

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Q: A large centrifuge, like the one shown below, is used to expose aspiring astronauts to accelerations…

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Q: An electric fan rotates at 750.00 revolutions per minute. Consider a point on the blade a distance…

A: The angular velocity is 750 rev/min The point from the centre is at 18cm

Q: 8. A discus thrower turns with angular acceleration a=50rad/s, moving the discuss in a circle of…

A: The centripetal acceleration of a body is given as ac=rω…

Q: To stimulate the acceleration of large rockets, astronauts are spun at thr end of a long rotating…

A: Given that,               r=10 mCentripetal acceleration=8×g We have to find angular speed (ω)

Q: A point on the rim of a rotating flywheel changes its speed from 1.5 m/sec. to 9.0 m/sec. while it…

A: Given,initial speed u=1.5 m/sfinal speed v=9 m/ss=60mradius r=1m

Q: A student runs around a circle omce in 4 minutes. Her angular velocity is

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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 motorcyclist accompanies a circle whose radius is 20M at a speed of 72 km / h, so if the total is…

A: a motorcyclist accompanies a circle whose radius is 20M at a speed of 72 km/h, so if the total is…

Q: What is the rate of revolution [in revolutions per minute (or rpm)] of a centrifuge if a particle…

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Q: If a car travels at 15m/s and the track is banked , what s the smallest radius(m) it can travel…

A: The condition for no skidding in a banked road is given by:- mv2/r = mgtanø r= v2/gtanø

Q: A figure skater can rotate at 5 rad/s, and their arms can reach out 0.7m.  What would be the…

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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: Roads are often banked (see above) to make travelling around comers safer. In the case of a banked…

A: The Centripetal force acts toward the center of the circle (arc in the case of a banked road). It is…

Q: What would Earth’s rotational period have to be for objects on the equator to have a centripetal…

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Q: A good baseball pitcher can throw a baseball toward homeplate at 85 mi/h with a spin of 1800…

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Q: dog sits 1.5m from the center of a merry-go-round. The merry-go-round is set in motion, d the dog's…

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Q: How fast (in rpm) must a centrifuge rotate if a particle 8.50 cm from the axis of rotation is to…

A: Given:Radius of rotation, r = 8.5 cm = 0.085mAcceleration, a = 120000g m/s2

Q: Ali is running in a circular race track of radius 2 m with a speed of 1 m/s. If the mass of Ali is…

A: Given, radius of track=r=2 m speed=v=1m/s mass of ali=m=89 kg centripetal force is given by mv2r

Q: Check Your Understanding A flywheel has a radius of 20.0 cm What is the speed of a point on the edge…

A: We have to find the speed of a point on the edge of a flywheel We have given data, Radius r=20 cm…

Q: An object with mass 125 g is in a circular motion. If the mangitude of the centripetal force is 18N…

A: When the object is undergoing the circular motion, it is experiencing a centripetal force(force…

Q: b) Calculate the centripetal acceleration of a car moving with a tangential velocity of 10.0 mls…

A: given , tangential velocity , v = 10 m/s radius of the circle , r = 8 m  Let , the centripetal…