The ladybug in our experiment is placed 10 cm from the center of the turntable and rotate clockwise at a constant rate. It rotates through 390° in 2.35 s. What is the angular velocity in radians/s? Is it positive or negative?
Q: A wheel 30 cm in diameter accelerates uniformly from 250 rpm to 380 rpm in 6.2 s .How far will a…
A: The objective of the question is to find out the distance traveled by a point on the edge of the…
Q: A hamster running in a wheel of radius 15 cm spins the wheel at 16 revolutions per minute. Round…
A:
Q: A flywheel is rotating at 20 rev/min and speeds up to 50 rev/min in 90 seconds. What is the angular…
A: Given: Initial rotations of wheel (N1) = 20 rev/min. Final rotations of wheel (N2) = 50 rev/min.…
Q: A cooling fan is turned off when it is running at 930 rev/min. It turns 1,500 revolutions before it…
A:
Q: A cylinder rotating at 4.3 rad/s is accelerated to 37.1 rad/s in 6.5 s. What is the angular…
A: Angular acceleration is the term for the time rate of change of angular velocity. The most prevalent…
Q: A bicycle tire is spinning counterclockwise at 3.20 rad/s. During a time period Δt = 2.50 s, the…
A: Given data, Initial angular velocity ωi=3.2 rad/s (c.cw) Final angular velocity ωf=-3.2 rad/s (cw)…
Q: A ballet dancer performs a triple pirouette (3 full rotations) in 2.75 seconds, what was his angular…
A: one rotation =3600 three rotations =3*3600 =10800…
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:
Q: n 2010, the Sikorsky's X2 helicopter became the world's fastest helicopter, flying at 249 miles per…
A:
Q: The wheel in the figure below has eight equally spaced spokes and a radius of 30 cm. The wheel is…
A: A circular wheel has a total of 360 degrees which is 2π radians. no of spokes in the wheel=8 two…
Q: When a fan is turned off, it's angular speed decreases from 168 rpm to 64.0 rpm in 6.08 s. a) What…
A:
Q: A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of…
A:
Q: A cylinder rotating at 11 rad/s is accelerated to 41 rad/s in 12 s. What is the angular acceleration…
A: Given data: Initial angular velocity (ω0) = 11 rad/s Final angular velocity (ω) = 41 rad/s Time (t)…
Q: Your 64 cm diameter car tire is rotating at 3.8 rev/s when suddenly you press down hard on the…
A: SOlution: Given that 64 cm diameter car tire is rotating at 3.8 rev/s After traveling 270 m, the…
Q: A centrifuge rotor with moment of inertia 2.48 is rotating with constant angular velocity 3.07. What…
A: The angle changed is, θ=ωt
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: A drill starts from rest. After 4 s of constant angular acceleration, it turns at a rate of 2.5x104…
A: initial angular velocity,wi=0 rad/sFinal rotational speed,Nf=2.5×104 rev/minFinal angular velocity…
Q: An engine flywheel initially rotates counterclockwise at 5.93 rotations/s. Then, during 21.3 s, its…
A: formula:
Q: A ceiling fan rotates at the rate of 30 degrees every .63 seconds. What is the angular speed of the…
A:
Q: diameter
A:
Q: At t = 0 a grinding wheel has an angular velocity of 23.0 rad/s. It has a constant angular…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: wheel rotates through an angle of 324° as it slows down from 87.4 rpm to 18.7 rpm (revolutions per…
A:
Q: The propeller of an aircraft accelerates from rest with an angular acceleration ? = 3t + 9, where ?…
A:
Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,450 rev/min. When switched…
A: Given data: Initial angular velocity (ω0) = 3450 rev/min Angular displacement (Δθ) = 52.0…
Q: A bicycle wheel 67.0 [cm] in diameter rotates about its central axis with a constant angular…
A: As per bartelby guidelines only the first three sub-parts haven been solved, kindly repost the other…
Q: Starting from rest, a wheel with a radius of 0.58 m begins to roll across the ground in a straight…
A: We shall use the rotational kinematic equation to solve this problem ωf2=ωi2+2αθwhereωf is the final…
Q: Son Goku whirled Gohan during their training. Gohan’s height is 1.76 m while Son Goku’s armlength is…
A: Given data: The height of Gohan is h=1.76 m. The arm length of Son Goku is x=2.00 m. Rotational…
Q: A boy is riding a rotating merry-go-round and is standing r=4.8 m from its center. At this instant,…
A: The objective of the question is to find the net acceleration of the boy who is riding a rotating…
Q: An astronaut is being tested in a centrifuge. The centrifuge has a radius of 10.0 m and, in…
A:
Q: Starting from rest, a wheel with a radius of 0.52 m begins to roll across the ground in a straight…
A: radius (r) = 0.52 m angular acceleration (α) = 3.95 rads2number of revolutions = 15initial angular…
Q: At a time t = 3.40 s, a point on the rim of a wheel with a radius of 0.180 m has a tangential speed…
A: t = 3.4 s r = 0.180 m v = 45 m/s atan = 10.6 m/s2 To find = a) constant angular acceleration…
Q: The disk in a computer disk drive spins up from rest to a final angular speed of 5400 rpm in 2.00 s.…
A: Given Data: The final angular speed of a disk is, ωf=5400 rpm The time required to spin a disk is,…
Q: A ferris wheel begins at rest. During the first part of the journey, the ferris wheel accelerates…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- The angular speed of a rotating platform changes from ω0 = 2.6 rad/s to ω = 8.8 rad/s at a constant rate as the platform moves through an angle Δθ = 4.5 radians. The platform has a radius of R = 44 cm. Calculate the final centripetal acceleration ac, in m/s2, of a point at the outer edge of the platform .A rotating bar's angular position is changing over time as 24.1t2 radians from time, t=0.0s. What is the bar's angular velocity at the time, t = 8.9 s.A centrifuge is spinning through an angle given 283.3e-19t + 38.5 radians. What is the angular acceleration at 0.2 s?
- A flywheel is rotating at 36 rev/s. What is the total angle, in radians, through which a point on the flywheel rotates in 53 s? Answer in radA ceiling fan is rotating counterclockwise with a constant angular acceleration of 0.40? rad/s2 about a fixed axis perpendicular to its plane and through its center. Assume the fan starts from rest. (a) What is the angular velocity of the fan after 4.8 s? (Enter the magnitude.)(b) What is the angular displacement of the fan after 4.8 s? (Enter the magnitude.)(c) How many revolutions has the fan gone through in 4.8 s?The ability of the human eye to rapidly rotate was studied using contact lenses fitted with accelerometers. While a subject, whose eyeball has radius 1.25 cm, watches a moving object her eyeball rotates through 20.0 degrees in a time interval of 58.5ms. What is the magnitude of the average angular velocity of the eye? rad/s.
- What was its acceleration as it slowed down? Express your answer in radians per second squared.Two gears are connected by a chain. The larger gear has a linear velocity of 12π5 inches per second. The angular velocity of the smaller gear is 32π3 radians per minute. What is the radius of the smaller gear?The propeller of an aircraft accelerates from rest with an angular acceleration ? = 3t + 9, where ? is in rad/s2 and t is in seconds. What is the angle in radians through which the propeller rotates from t = 1.00 s to t = 5.50 s? radians
- A centrifuge is spinning through an angle given by 262.8e^-18.1t +25 radians. what is the angular acceleration at 0.2 s?You have a 1.00 m long string with a bob attached to its end. You are swinging it around your head, and it completes 1.00 whole revolution every 2.00 s. What is its tangential speed, in m/s? Answer with 3 significant figures.The ability of the human eye to rapidly rotate was studied using contact lenses fitted with accelerometers. While a subject, whose eyeball has radius 1.25 cm, watches a moving object her eyeball rotates through 20.0° in a time interval of 69.6 ms. a. What is the magnitude of the average angular velocity of the eye? asnwer in rad/s b. Assume that the eye starts at rest, rotates with a constant angular acceleration during the first half of the interval, and then the rotation slows with a constant angular acceleration during the second half until it comes to rest. What is the magnitude of the angular acceleration of the eye? answer in rad/s^2 c. What tangential acceleration would the contact-lens accelerometers record in this case? answer in m/s^2