A typical hard disk in a computer spins at 5400 rpm.a. What is the frequency, in rev/s?b. What is the period, in seconds?

Q: A vehicle rounds a curve whose radius is 20 ft with Vt= 44 f/sec. The vehicle's weight is 2500 lb.…

A: Given values-  Radius=r=20 ftVelocity=Vt=44 ftsecWeight =2500 lb

Q: A disk is initially spinning at +3600 rpm. It increased its angular velocity to +7200 rpm in 9 sec.…

A: Given values: Initial angular velocity, ω1=3600 rpm Final angular velocity, ω2=7200 rpm Time, t=9 s

Q: A typical road bike wheel has a diameter of 70 cm including the tire. In a time trial, when a…

A: d = 70 cm = 0.70 m Then, r = d/2 = 0.35 m

Q: A conical pendulum is formed by attaching a ball of mass m to a string of length l, then allowing…

A: Given: Mass of ball = m Length of string = l Radius of circular path = R

Q: (a) A wind turbine for generating electricity rotates clockwise at the rate of 17.0 rpm (revolutions…

A:

Q: A 200 g block on a 52.0 cm -long string swings in a circle on a horizontal, frictionless table at…

A:

Q: A flywheel revolving 400r/min slows down with a deceleration of 4rad/s2 .   a) How long will it…

A: Given: The intial angular speed is 400 rev/min. The angular deacceleration of the wheel is 4 rad/s2.…

Q: A high-speed drill rotating counterclockwise at 2000 rpm comes to a halt in 3.0 s. a) What is the…

A:

Q: The rotating blade of a blender turns with constant angular acceleration of 20 revolutions per…

A: Given data: The angular acceleration is α=20 rev/min-sec.

Q: A cooling fan is turned off when it is running at 950 rev/min . It turns 1100 revolutions before it…

A: Given:-  A cooling fan is turned off when it is running at 950 rev/min.   It turns 1100 revolutions…

Q: Q 1. An object rotates with angular acceleration, a dw where w is the angular velocity dt 0,w = wo…

A: Given: Angular acceleration , α=dωdt Angular velocity , ω=dθdt

Q: (I) Pilots can be tested for the stresses of flying high-speedjets in a whirling “human centrifuge,”…

A: (a) Write the formula for the angular displacement θ.

Q: A CD has a diameter of 120mm and spins at 540 rpm. A. What is period? B. If a speck of dust is…

A: Given data: The diameter of CD is D=120 mm. Speed of CD is N=540 rpm.

Q: A marble rolls off the edge of a 1.2 meter high table with an initial speed of 0.5 m/s. a) how long…

A: Write the given values with the suitable variables. h=1.2 mu=0.5 m/s Here, h is the height and u is…

Q: A turntable that is initially at rest is set in motion with a constant angular acceleration 3…

A: Given that initial angular velocity and angular acceleration.Then We have to determine the value of…

Q: A 300 g block on a 52.0 cm long string swings in a circle on a horizontal, frictionless table at…

A: (a) The speed of the block is, v=55.0 revmin2πr1rev60 s1 min=55.0 revmin2π0.52 m1rev60 s1 min=2.99…

Q: A flywheel slows from 600 to 400 rev/min while rotating through 40 revolutions. (a) What is the…

A:

Q: A small 5-g fly is buzzing along and hits a spider web. The spid proceed to oscillate with a time…

A: We know that the formula of the angular velocity in terms of the Time period is given as  ω= 2πT…

Q: The 1.00-cm-long second hand on a watch rotates smoothly.a. What is its angular velocity?b. What is…

A: a)

Q: The crankshaft in a race car goes from rest to 3000 rpm in 2.0 s.a. What is the crankshaft’s angular…

A: (a)   Use the equation of angular motion, and determine the angular acceleration of the crankshaft…

Q: 16. A typical hard disk in a computer spins at 10000 What is the frequency, in rev/s? What is the…

A: concept:

Q: A flywheel slows from 400 to 200 rev/min while rotating through 10 revolutions. (a) What is the…

A:

Q: A flywheel revolving 400r/min slows down with a deceleration of 4rad/s². a) How long will it takes…

A: Givenn1=400 r.p.m=40060r.p.s=7r.p.s α=-4 rad/s2,ω2=0 To find  time required (i), Formula…

Q: (II) A cooling fan is turned off when it is running at 850 rev/min. It turns 1350 revolutions before…

A:

Q: A car makes a circular curve and travels a 45 ° arc in 2 seconds. a) What is the angular velocity…

A: Given Data : The angular displacement of the car is given as ∆θ=450 The time taken to travel ∆θ is…

Q: 3. Convert the following angular speeds to rpm. (a) 52 rad/s (b) 125 rad/s (c) 315 rad/s 4. Convert…

A: Angular speed : Angular speed is defined as the rate of change of angular displacement, and it is…

Q: A salad spinner accelerates from rest to 4.5 rad/s in 2.5 s. If it continues to accelerate at this…

A:

Q: An Indianapolis 500 race car takes a 350 m radius curve at 80 m/s. (a) What centripetal acceleration…

A:

Q: a cd has a diameter of 120mm and spins at 540 rpm . A: what is the period B: If a spec of dust is…

A: Since you have asked question with multiple sub parts, we will solve the first three sub parts for…

Q: (I) A centrifuge accelerates uniformly from rest to 15,000 rpm in 240 s. Through how many…

A: Given data The initial speed is ωi=0 rad/s The final speed is ωf=15000 rpm=1570.79 rad/s The time is…

Q: (Figure 1) shows the angular-velocity-versus-time graph for a particle moving in a circle. You may…

A:

Q: Olympic ice skaters are able to spin at about 10 rev/s. (a) What is their angular velocity in…

A: ω=Angular velocity=10 rev/sr=Radius=0.12 m

Q: (I) A space shuttle releases a satellite into a circular orbit780 km above the Earth. How fast must…

A: The distance between the center of the Earth and the satellite is, r=dE+ds=6371 km+780 km=7151 km103…

Q: A traditional watch has a second hand 1.5 cm long, from centre to tip. (a) What is the speed of the…

A: Speed = distance /time

Q: 1 A high speed drill reaches 2000 rpm in 0.5 s. What is the drill's angular acceleration? How many…

A:

Q: 40. A flywheel slows from 600 to 400 rev/min while rotating through 40 revolutions. (a) What is the…

A:

Q: An airplane propeller is rotating at 1900 rpm (a) Compute the propeller's angular velocity in rad/s.…

A: Angular velocity, ω=1900 rpm Displacement, θ=35°

Q: Counter Clockwise = positive Clockwise = negative 1. A 60.0 cm fan blade starts at rest and speeds…

A: Given Data : The length of the fan blade is given as R = 60 cm. The initial angular speed of the fan…

Q: (I) The blades in a blender rotate at a rate of 6500 rpm. When the motor is turned off during…

A:

Q: A tire (R = 0.5 m) starts from rest and accelerates at 40 m/s? for 8 s. a) What is the total angular…

A: Angular displacement formula is given by: θ=ωt+12αt2 Where ω is the initial velocity, α is the…

Q: A turntable that is initially at rest is set in motion with a constant angular acceleration 3…

A: The given data are: ωi=0 rad/sα=3 rad/s2θ=1 rev=2π rad Here, ωi, α, and θ represent the initial…

Q: A high-speed drill rotating counter clock wise at 2400 [rpm] comes to a stop in 2.5 [s]. a) what is…

A: Given Data: The final angular speed is, ωf=2400 rev/min The time required to stop a drill is, t=2.5…

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.