In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm about the elbow. If the angular velocity of the ball about the elbow joint is 28.9 rad/s and the ball is 1.45 m from the elbow joint, what is the linear velocity v of the ball? v = m/s

Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…

A:

Q: The tire of a large truck has a radius of .5m and rolls without slipping on a horizontal plane. A…

A: The relation between angular and linear velocity in rotational mechanics isgiven…

Q: A car starts from rest and accelerates 0.800 m/s2 to the right for 20.0 s.  (The tires do not slip.)…

A: Given,  a = 0.8 m/s2  t = 20 sec  r = 0.330 m  Let the distance travelled by the car be S We will…

Q: A ball is attached to a string and rotates in a circle. If it takes 1.00 s to complete one…

A:

Q: A child sits on a merry‑go‑round that has a diameter of 4.00 m. The child uses her legs to push the…

A: Given: Diameter (d) = 4 m               Angular speed (wf) = 16 rpm                 time (t) = 42…

Q: cle crank arm, with a pedal at one end, is attached to a 21-cmcm-diameter sprocket, the toothed disk…

A: Given:-  Assume constant angular acceleration. An 18-cm long bicycle crank arm The diameter sprocket…

Q: A wind turbine is rotating counterclockwise at 0.83 rev/s and slows to a stop in 21 s. Its blades…

A:

Q: A child sits on a merry‑go‑round that has a diameter of 5.00 m. The child uses her legs to push the…

A: Initial angular speed (ω0)=0rad/sAngular speed after 45s(ω)=17rpm=17×2π60s=1.78rad/s∴ Average…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: (a) angular speed is, ac=rω2ω=acrω=88.2 m/s24.04 mω=4.67 rad/s

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: In this case, the radius of a human centrifuge and a trained, fit person wearing a g-suit can…

Q: If the distal end of a golf club is 1.85 m from the axis of rotation. It completes a downswing in…

A: Given, the distal end of a golf club is 1.85 m from the axis of rotation  let L=1.85 m completes a…

Q: The car A has a forward speed of 19 km/h and is accelerating at 3.7 m/s². Determine the velocity and…

A:

Q: disk of radius 4.00 m spins with an angular speed of 90.0 degrees/second. What is the speed of the…

A:

Q: What is the magnitude of the angular acceleration of a car following a curve of radius 500 m at a…

A: SOlution: Given that car moving in the curve r =500 m v = 25 m/s

Q: A rock tied to the end of string swings at a constant angular rate.  You measure the rock to pass…

A: Given data:  Angular displacement (θ) = 10π radians Time (t) = 5.30 seconds Length of the string (L)…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: R, radius = 4.80 m acceleration, ac= 9g = 88.2 m/s2

Q: An ultracentrifuge accelerates from rest to 9.81 × 10³ rpm in 2.23 min. What is its angular…

A:

Q: A merry-go-round has an angular velocity of 4.10 rad/s. A ribbon is tied at the end of one of the…

A: Given Data:angular velocity of the marry-go-round is speed of the ribbon is relation between the…

Q: At a constant speed it takes a car 15.4 seconds to circumnavigate a traffic circle (a.k.a.…

A: The velocity of the auto is given by,

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: Given data: Acceleration, a=88.2 m/s

Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 2.10 min. (a) What is its angular…

A:

Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 3.00 min. (a) What is its angular…

A:

Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…

A: The formula for acceleration is: α=ω2r

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: (a) The centripetal acceleration in terms of angular speed is given by, ac=rω2 Here, r is the radius…

Q: A bug on the rim of a 10-in.-diameter disk if the disk moves from rest to an angular speed of 78…

A: The bug is moving with the disk. Initially the bug is at rest. We are given the final angular…

Q: A diver is diving from a height of 20 m. First, he makes a rotation (body tucked). At the end of…

A: Using the kinetic equation, ∆y=vot+12at2 Here, initial velocity vo=0 for no initial vertical…

Q: The blade of a steel cutter is rotating at a speed of 600 rev/min. If the radius of the blade is 7.5…

A: The given data are: N=600 rev/minr=7.5 cm=0.075 m Here, N and r are the revolutions per minute and…

Q: During Keon's golf drive, the angular velocity of his club is zero at the top of the backswing and…

A: Average angular acceleration = change in angular velocity / time  And average tangential…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

Q: An ultracentrifuge accelerates from rest to 9.83 x 10° rpm in 2.23 min. What is its angular…

A: Given : Initial angular velocity (wo) = 0 Final angular velocity (w) = 9.83 x 105 rpm = 9.83 x…

Q: A test tube filled with blood is spinning in a centrifuge. A platelet is pinned to the end of the…

A:

Q: A 12 cm disk in radius is originally rotating at wo = 17 rad/s. If it is subjected to a constant…

A: Angular velocity = W0 = 17 rad/s angular acceleration = α= 7 rad/s2 number of revolutions = n = 3…

Q: In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm…

A: Given data: Angular velocity (ω) = 1580 degree/sec,its change into radian/sec so,1580 Deg × π/180 =…

Q: A point on the rim of a 0.79 m radius rotating wheel has a centripetal acceleration of 9.1 m/s?.…

A: given  radius(R)=0.79 m centripetal acceleration (ac)=9.1 m/s2 point at distance (r)=0.17 m required…

Q: A wind turbine is rotating counterclockwise at 0.78 rev/s and slows to a stop in 21 s. Its blades…

A:

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: Given data:  Centripetal acceleration (ac) = 88.2 m/s2  Radius (r) = 5.17 m Required: The angular…

Q: A ball of radius 0.200 m rolls witha constant linear speed of 2.80 m/s along a horizontal table. The…

A: Find the angular speed of the ball. ω=vr=2.80 m/s0.200 m=14 rad/s According to the equation of…

Q: The biker travels in a circular path 25 meters in diameter with linear velocity of 62.48 feet per…

A:

Q: A point on the rim of a 0.81 m radius rotating wheel has a centripetal acceleration of 6.9 m/s².…

A: The Centripetal acceleration formula is given by :                            ac = ω2r where,   ω =…

Q: An ultracentrifuge accelerates from rest to 9.97×10^5 rpm in 1.51 min. What is its angular…

A: Given information: The initial angular velocity, ωi=0 The final angular velocity, ωf=9.97×105…

Q: A fan blade with a diameter of 1.373 m is rotating at a rate of 3898 revolutions per minute. A piece…

A:

Q: The platform is rotating about the vertical axis such that at any instant its angular position is 0…

A: Angular Motion: The movement of a body about a particular  axis on a round path is mentioned as…