A 2kg body is tied to the end of a chord and whirled in a horizontal circle of radius 1.5m at 3 revolutions per sec. Neglecting the attraction due to gravity, find the acceleration

Q: e.g.: A flywheel (radius 0.2m) is rotating with angular speed 150r min-¹. Now it is braked and after…

A: The initial angular speed is 150 rpm. The radius of the wheel is 0.2 m. The final angular speed of…

Q: Find the speed in m/s of a particle which is moving on a circular path of radius 60cm with an…

A: Write the given values with the suitable variables. r=60 cm=0.60 mω=2 rev/min Here, r is the radius…

Q: A CD rotates at 5600 revolutions per min. The disk has a radius of 15 cm. What is the centripetal…

A: ω=5600 rpm×2π rad1 rev×1 min60 s=586.43 rad/s

Q: A circular platform of radius 4 m is rotated at 8 rpm. Find the normal acceleration.

A: Write the expression for the normal acceleration. Here, r is the radius and ω is the angular speed.

Q: A particle moves in a circular path with the following angular speed ω(t) = γt3 where γ is a…

A: In circular motion, the linear velocity, displacement and acceleration are replaced by angular…

Q: A point mass P is released from rest at A on a circular path in a vertical plane. Due to gravity it…

A: Consider the free-body diagram of the point mass P.

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

A:

Q: Sway drives on a banked circular track with radius 99.0 m, and travels at a constant speed of 150…

A: The maximum velocity with which a vehicle can travel in a banked road with radius R, bank angle θ,…

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: The particle is at rest but decided to move in a circle of radius 0.0023 km. The speed of a particle…

A:

Q: A disk 6.00 cm in radius rotates at a constant rate of 98.0 rev/s about its central axis. (a)…

A: Given:  radius of disc, r = 6 cm = 0.06 m  frequency of rotation, f = 98 rev/s  distance from the…

Q: A cyclist riding at a speed of 22 m/s taking a turn round circular path of radius 44 m. what is its…

A:

Q: An amusement park ride consists of a car which is attached to the cable OA. The car rotates in a…

A: The speed of the car is 8 ft/s, when r=11 ft. The speed of the pulling of cable is 1 ft/s. The time…

Q: An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is…

A:

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: An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is…

A:

Q: A car, with mass m, is racing around a circular track with some velocity v. If the car suddenly had…

A: Given:mass of the car is trippledthereforem' = 3mand velocity is doubled,v' = 2vthere if no change…

Q: A particle is in uniform circular motion about a horizontal circle of radius  R = 5 meters with a…

A: The expression for the travelled distance is,

Q: A mass of 0.5 kg is whirled at 120 rpm in a horizontal circle at the end of a string 2 meters long.…

A:

Q: A belt runs on a wheel of 30-cm radius. During the time that the wheel coasts uniformly to rest from…

A: The formula to calculate the angular displacement of the wheel during which the belt passes over it…

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: What is the centripetal force needed to keep a 3.0 kg mass moving in a circle of radius 0.50 m at a…

A:

Q: (b) What is the centripetal acceleration of the ball at 8.54 rev/s? m/s² (c) What is the centripetal…

A: Part B Centripetal acceleration will be given as follows: ac=ω2r Here, ω=8.54 rev/s=8.54×2π rad/s…

Q: Earth is essentially a sphere rotating about an axis with a radius of 6.38 × 106 m. Find the the…

A: Solution: Given: 1 h = 3600 s P = point on the Earth where latitude is θ θ = latitude of point P =…

Q: A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a…

A: Number of revolution n= 1200Radius of blad r=0.10 mTime t= 1minute =60 Seconds

Q: Write the acceleration in terms of its tangential and normal components.

A: The expression for acceleration in terms of curvature and speed,

Q: The effective acceleration at a radius .6 r = 22 cm for a centrifuge rotating at * 3000 rpm is

A:

Q: Determine the magnitude of the linear velocity of a motorcycle tire that in its circular motion has…

A: Given that Period of circular motion is, T = 0.012 sec Radius of Gyration, R = 40 cm = 0.40 m Now…

Q: A Ferris wheel has a radius of 5 meters and it starts at a velocity of O m/s then started to move at…

A:

Q: A device for acclimating military pilots to the high accelerations they must experience consists of…

A: Given that the radial acceleration experienced by the pilot is ar=28.3m/s2 sitting at a distance…

Q: A space shuttlc is in a circular orbit at a height H above the Earth. A small satellite is held…

A:

Q: A child whirls a stone on a string in a horizontal circle of radius 1.5 m and at a height of 2.0 m…

A: Given R=1.5m, h=2.0m, H=13.3m, g=10N/kg

Q: A particle is moving along a circular path with tangential acceleration function of a(t) = (0.12t +…

A: Given that:- Velocity of particle (at t=3 sec)=0.4m/s

Q: How fast (in rpmrpm) must a centrifuge rotate if a particle 5.2 cmcm from the axis of rotation is to…

A: Given : Distance of particle from the axis of rotation, r = 5.2 cm = 0.052 m Acceleration of the…

Q: I am having trouble with a 3 d motion problem. The problem is as follows, "A point on a rotating…

A: Here we have to use equation of motion