ou have a grindstone ( a disk) that is 90.0 kg, has a 0.340 m, radius and is turning at 90.0 rpm, and you press the steel axe against it with a radical force of 20.0 N. a) Assuming the kinetic coefficient of friction between steel and stone is 0.20, calculate the angular acceleration of the grindstone. b) How many turns will the stone make before coming to rest?

Q: aring The angular velocity of a 755-g wheel 15.0 cm in diameter is given by the equation wif) =…

A:

Q: Problem 3: A yo-yo has a center shaft with a 0.25 cm radius. a) If the string is held fixed and the…

A: Write the expression for the angular acceleration.Here, a is the acceleration, r is the radius and…

Q: Suppose you exert a force of 190N tangential to the outer edge of a grindstone (which is a solid…

A:

Q: Kaetlyn Osmond does a triple toe loop and rotates three times around in 0.91 s. a) What is the…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: Hi please help: A child exerts a tangential 63.6 N force on the rim of a disk-shaped merry-go-round…

A: Given data: Tangential force F=63.6N Radius r=2.59m Initial angular speed ωi=0rad/s= Final angular…

Q: is its angular velocity, in rev/s, after a 37.5 kg child gets onto it by grabbing its outer edge?…

A:

Q: Jennifer decided to install a ceiling fan in the master bedroom. After a laborious installation, she…

A: initial angular speed (w) = 0 final angular speed = 120 rev/min  = 2 rev/sec  = 12.57 rad/s t = 20…

Q: Three children are riding on the edge of a merry‑go‑round that has a mass of 105 kg and a radius of…

A:

Q: A motorcycle goes from rest to 60 mph in 3 s.  A motorcycle tire has a radius of 0.6 m.  How many…

A:

Q: A truck with 48 in diameter wheels is traveling at 45 mi/h. a) find the angular speed of the wheels…

A: Given data: Diameter (d) = 48 in Speed (v) = 45 mi/h Required: Angular speed (ω) in rad/m and…

Q: A bicycle wheel has a radius r = 0.21 m and rotates at a constant frequency of f = 51 rev/min. r =…

A: The angular frequency, ω = 51rev/min = 5.34rad/s. The time period of rotation of the wheel is

Q: During a certain time interval, the angular position of a swinging door is described by 8 = 5.02 +…

A:

Q: O Macmillan Learning An optical disk drive in your computer can spin a disk up to 10,000 rpm (about…

A:

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

A:

Q: Calculate the linear acceleration of a car, the 0.260-m radius tires of which have an angular…

A: Given data: Radius (r) = 0.260 m Angular acceleration (α) = 12.0 rad/s2 Time (t) = 2.50 s Initial…

Q: Calculate the linear acceleration of a car, the 0.210-m radius tires of which have an angular…

A: let a be linear acceleration,α be angular acceleration, r be radius relation between them isa=αr…

Q: A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular…

A:

Q: 0 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity…

A:

Q: When kicking a football, the kicker rotates his leg about the hip joint.   A. If the velocity of the…

A:

Q: The tub within a washer goes into its spin cycle, starting from rest and reaching an angular speed…

A:

Q: Wind generated 6.6% of the world’s electricity in 2021. The large-scale turbines generally rotate at…

A:

Q: During the spin-dry cycle of a washing machine, the motor slows from 93.0rad/s to 31.0rad/s while…

A: Given data:  Initial angular velocity (ωi) = 93.0 rad/s Final angular velocity (ωf) = 31.0 rad/s…

Q: A blender is on the "puree" setting, giving it an angular velocity of 370 rad/s. When the "blend"…

A: Given data:  Initial angular velocity (ω0) = 370 rad/s Angular acceleration (α) = 1760 rad/s2 Time…

Q: With the aid of a string, a gyroscope is accelerated from rest to 38 rad/s in 0.36 s.  part a) What…

A: Given initial angular velocity = 0 Final angular velocity = 38 rad/s t = 0.36 s

Q: Three children are riding on the edge of a merry‑go‑round that has a mass of  105 kg  and a radius…

A:

Q: Three children are riding on the edge of a merry‑go‑round that has a mass of 105 kg and a radius of…

A: In the given question We have to determine new angular speed in rpm.

Q: a) Calculate the linear acceleration of a car, the 0.310-m radius tires of which have an angular…

A:

Q: A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular…

A: 1) A cyclist starts from rest 2) Angular displacement of wheels: θ = 99 rev = 99 × 2π rad 3) Time…

Q: A disc-shaped grindstone of mass 3.0 kg and radius 8.0 cm is spinning at 600 revolutions/min. The…

A:

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

A:

Q: A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular…

A: 1) A cyclist starts from rest 2) Angular displacement of wheels: 86 revs = 86× 2π rad 3) Time taken…

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

A: Determine the angular momentum of the wheel. Determine the angular position of the wheel.

Q: Three children are riding on the edge of a merry-go-round that is 102 kg, has a 1.60 m radius, and…

A:

Q: A ballerina spins initially at 1.56 rev/s when her arms are extended. She then draws in her arms to…

A: Given data: Initial angular speed, ω1=1.56 rev/s Initial moment of inertia, I1=? Final angular…

Q: Two tangential forces F1 = 25 N and F2 = 10 N are applied to the rim of a solid cylinder of radius R…

A: