A mass attached to a 50.0cm string starts from rest and is rotated in a circular path exactly 40 times in 1.00min. Calculate the angular speed it achieves after this minute.

Q: When it has made 6.00 rev its angular velocity in rad/s is :

A: Answer is 18.21 rad/s Explanation is in next step.

Q: Janelle throws the discuss by holding it with a fully extended arm. Starting from rest, she moves…

A: Given data *The given time is t = 1.2 s *The radius of the circle is r  *The angular displacement is…

Q: A 50-Nm torque acts on a wheel with a moment of inertia 150 kg m2. Part A)  How many radians are…

A: Given:-  The torque on a wheel is τ= 50 Nm. The moment of inertia of the wheel is I = 150 kgm2.…

Q: A wheel starts from rest to an angle of zero, and has a constant angular acceleration for 5.0 s that…

A: Given, The initial angular velocity is ωi=0 angular acceleration is α time for constant acceleration…

Q: A rope is wrapped around the rim of a large uniform solid disk of mass 135 kg and radius 2.70 m. The…

A:

Q: What is the average angular velocity of the wheel if the velocity of the wheel along the ground is…

A: Given, the radius of the wheel, r=0.66 m linear velocity, v=15.7 m/s

Q: A dentist's drill starts from rest. After 3.30 s of constant angular acceleration, it turns at a…

A:

Q: A wheel with a 15 cm radius rotating at 3 rad/s begins to speed up. After 5 seconds have passed, the…

A: In this problem the angular acceleration of the object is uniform so we can use equation of motion.

Q: A turn table starts from rest and reaches 10 rad/s of angular velocity in 5.0 s. Find the angular…

A:

Q: What is the initial angular position of an object if it has it rotates for a time of 3.47s, an…

A: We have 2 motions translational and rotation. We have angular variables for rotation. These are…

Q: A circular saw blade completes 1500 revolutions in 30 seconds while coasting to a stop after being…

A: Frequency  blade  f = 1500/30 = 50 Hz (a) direction of angular velocity is  perpendicular to the…

Q: compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.286 s. (a)…

A: Given  One revolution = 0.286 sec  Angular velocity,w=??? Speed at distance 6.00 cm from axis of…

Q: The angular acceleration of a wheel is a = 9.0t4 – 8.0t?, with a in radians per second-squared and t…

A:

Q: A medical saw is rotating at a constant rate of 15 revolutions per second. Calculate its angular…

A: Given data:   Angular speed (ω) = 15 revolution per second Required: Angular speed in rad/s

Q: What is the velocity the wheel will travel along the ground if it has a radius of 0.54m and the…

A: Given data, Radius r=0.54 m Angular velocity ω=26.1 rad/s

Q: A pulley accelerates from 75.00 rev/min to 150 rev/min in 3 minutes. Calculate the magnitude of the…

A: From the rotational kinematics equations: Here, ωf, ωi, α and t represent the final angular…

Q: Starting from rest, a .60 m radius bicycle wheel starting from rest and accelerating at a constant…

A: Given that                   The radius of the bicycle wheel (r) = 0.6m                   Since it…

Q: A student holds a bike wheel and starts it spinning with an initial angular speed of 9.0 rotations…

A:

Q: A wheel with a radius 0.51 rolls across the level ground, initially moving forward with a speed of…

A: Given: The radius of the wheel is 0.51. The initial speed of the wheel is 15.4 ms. The final speed…

Q: turntable 46 cm is diameter starts from rest and makes its first complete revolution in 3.60 s with…

A:

Q: A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping down…

A: Mass of sphere (m) = 1.80 kg Radius of sphere (r) = 34.5 cm = 0.345 m Angle of inclination (θ) = 30°…

Q: A wheel, starting from rest, has a constant angular acceleration of 0.5 rad/s2. In a 2.9-s interval,…

A: Angular acceleration is Angular displacement is Time is Initial angular velocity is Find:Time for…

Q: If a flywheel is initially moving at an angular velocity Wi = 10 rad/s and accelerates to a final…

A: α = (Wf - Wi)/t  α = (400 - 10)/3α = 130rad/s2