A discus thrower spins the discus in a circle of radius 80.0 cm. At a certain instant, the launcher is rotating at 10.0 rad/s and the angular speed is increasing at 50.0 rad/s^2. Find the magnitude of the acceleration at that instant.
Q: A ferris wheel is rotating clockwise at an angular speed of 1.83 rpm. When the ride operator…
A:
Q: A ball of radius 0.200 m rolls with a constant linear speed of 2.02 m/s along a horizontal table.…
A:
Q: driver
A: Given: The initial angular speed of the tire = 21.5 rad/s Time taken = 3.50 seconds The angular…
Q: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut is experiencing 10g,…
A: Given, Radius, r=10 m Centripetal acceleration, ac=98 m/s2 Angular velocity,…
Q: A fan blade is rotating with a constant angular acceleration of +10.1 rad/s². At what point on the…
A: Given data:The angular acceleration is Formula:The expression for the linear acceleration is shown…
Q: An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of…
A:
Q: A Ferris wheel slows down with a constant angular acceleration of magnitude 5.0 rad/s 2. If the…
A: Given data The magnitude of the acceleration is a = -5 rad/s2. The number of revolutions made by…
Q: A Ferris wheel slows down with a constant angular acceleration of magnitude 5.0 rad/s 2. If the…
A: Given information: The magnitude of the acceleration (α) = 5.0 rad/s2 No. of revolutions the wheel…
Q: A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of…
A:
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: The propeller of an aircraft accelerates from rest with an angular acceleration ? = 2t + 8, where ?…
A: Given value--- angular acceleration = 2t + 8. We have to find--- What is the angle in radians…
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: Human centrifuges are used to train military pilots and astronauts in preparation for high- g…
A:
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: A propeller blade rotates with angular velocity ω(t) = 2.00 rad/s- 2.10rad/s3 t^2. What is the…
A: Given that ωt=2 rad/s-2.10 rad/s3t2
Q: Assume that a force acting on an object is given by F= axî + byî, where the constants and a =…
A: W = F×r D is the correct answer
Q: An engine flywheel initially rotates counterclockwise at 5.93 rotations/s. Then, during 21.3 s, its…
A: formula:
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: 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: car is traveling with a speed of 21.0 m/s along a straight horizontal road. The wheels have a radius…
A: Speed of car v = 21 m/s.Radius of wheel R = 0.290 meterLinear acceleration a = 1.40m/s2
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: A disk of radius 3.00 m rotates like a merry-go-round as given by the function θ = 2.00t^4 +…
A: Radius of the disk, r=3 m The angular position of the point on the rim at time t, θ=2t4+6t2 Time at…
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: The angular speed of a rotating platform changes from ω0 = 2.6 rad/s to ω = 8.8 rad/s at a constant…
A: The objective of this question is to calculate the final centripetal acceleration of a point at the…
Q: In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end…
A:
Q: A centrifuge is spinning through an angle given 283.3e-19t + 38.5 radians. What is the angular…
A:
Q: A 72-cm-diameter wheel accelerates uniformly about its center from 60 rpm to 300 rpm in 5.0 seconds.…
A:
Q: A ceiling fan is rotating counterclockwise with a constant angular acceleration of 0.40? rad/s2…
A:
Q: What is the magnitude of the average angular velocity of the eye?
A:
Q: A body that performs a uniform circular motion goes around 3 times in 1 minute its center of…
A:
Q: You have a 1.00 m long string with a bob attached to its end. You are swinging it around your head,…
A: Given: Radius of string, r = 1 m Time of complition of 1 revolution, t = 2 sec
Q: The ability of the human eye to rapidly rotate was studied using contact lenses fitted with…
A:
Q: The angular speed of a rotating platform changes from ω0 = 3.6 rad/s to ω = 6.4 rad/s at a constant…
A:
Q: A disk of radius 2.25 m rotates about its axis. Points on the rim of the disk undergo tangential…
A: Given that, The radius of disk, r = 2.25 m The tangential acceleration of the rim of the disk,…
Step by step
Solved in 2 steps with 1 images
- Cheryl is riding on the edge of a merry-go-round, 2m from the center, which is rotating with an increasing angular speed. Cheryl’s tangential acceleration is 3.0m/s2. At the instant that Cheryl’s linear speed is 4.0m/s, what is Cheryl’s total acceleration?A centrifuge in a forensics laboratory rotates at an angular speed of 3,450 rev/min. When switched off, it rotates 54.0 times before coming to rest. Find the constant angular acceleration of the centrifuge (in rad/s2). Consider the direction of the initial angular velocity to be the positive direction, and include the appropriate sign in your result.An engine flywheel initially rotates counterclockwise at 6.83 rotations/s. Then, during 25.1 s, its rotation rate changes to 2.19 rotations/s clockwise. Find the flywheel's average angular acceleration (including its sign) in radians per second squared. Define counterclockwise rotation as positive. what is the average angular acceleration?
- A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s². At a point on the platform that is 1.26 m from the axis of rotation, what is the magnitude of the total acceleration a?A flywheel is rotating at 36.5 rev/s.What is the total angle, in radians, through which a point on the flywheel rotates in 29.7 s?Human centrifuges are used to train military pilots and astronauts in preparation for high-g maneuvers. A trained, fit person wearing a g- suit can withstand accelerations up to about 9g (88.2 m/s2) without losing consciousness. HINT (a) If a human centrifuge has a radius of 5.17 m, what angular speed (in rad/s) results in a centripetal acceleration of 9g? X rad/s (b) What linear speed (in m/s) would a person in the centrifuge have at this acceleration? m/s
- A 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 person is riding a bike around a corner (radius = 3 m) with a angular acceleration of 42 degrees/sec^2 and a final angular velocity of 172 degree/s. What is the magnitude of the radial acceleration at the end of the curve (final position)? (hint: find the radians)Human centrifuges are used to train military pilots and astronauts in preparation for high-g maneuvers. A trained, fit person wearing a g-suit can withstand accelerations up to about 9g (88.2 m/s2) without losing consciousness. (A) If a human centrifuge has a radius of 4.29 m, what angular speed (in rad/s) results in a centripetal acceleration of 9g? rad/s ? (B) What linear speed (in m/s) would a person in the centrifuge have at this acceleration? m/s
- A ball of radius 0.200 m rolls with a constant linear speed of 2.47 m/s along a horizontal table. The ball rolls off the edge and falls a vertical distance of 2.20 m before hitting the floor. What is the angular displacement of the ball while the ball is in the air?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 angular acceleration of the platform α in rad/s2.A child sits on a merry-go-round that has a diameter of 4.00 m. The child uses her legs to push the merry-go-round, making it go from rest to an angular speed of 17.0 rpm in a time of 43.0 s. What is the average angular acceleration aavg of the merry-go-round in units of radians per second squared (rad/s?)? davg = rad/s2 What is the angular displacement Að of the merry-go-round, in units of radians (rad), during the time the child pushes the merry-go-round? A0 = rad about us careers privacy policy terms of use contact us help tv MacBook Air II F8 F10 D00 000 CA F9 F7