An astronaut is being tested in a centrifuge. The centrifuge has a radius of 9 m and, in starting, rotates according to θ = 0.30t2, where t is in seconds and θ is in radians.
(a) When t = 11.0 s, what is the magnitude of the
astronaut's angular velocity?
rad/s
(b) When t = 11.0 s, what is the magnitude of the
astronaut's linear speed?
m/s
(c) When t = 11.0 s, what is the magnitude of the
astronaut's tangential acceleration?
m/s2
(d) When t = 11.0 s, what is the magnitude of the
astronaut's radial acceleration?
m/s2
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 9 m...
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 11.0 m and, in starting, rotates according to θ = 0.120t2, where t is in seconds and θ is in radians. When t = 2.90 s, what are the magnitudes of the astronaut's (a) angular velocity, (b) linear velocity, (c) tangential acceleration, and (d) radial acceleration?
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 7.40 m and, in starting, rotates according to θ = 0.190t2, where t is in seconds and θ is in radians. When t = 3.60 s, what are the magnitudes of the astronaut's (a) angular velocity, (b) linear velocity, (c) tangential acceleration, and (d) radial acceleration?
Current Attempt in Progress An astronaut is being tested in a centrifuge. The centrifuge has a radius of 11.0 m and, in starting, rotates according to 0 = 0.260t?, where t is in seconds and is in radians. When t = 1.90 s, what are the magnitudes of the astronaut's (a) angular velocity, (b) linear velocity, (c) tangential acceleration, and (d) radial acceleration? (a) Number Units (b) Number i Units (c) Number i Units (d) Number Units
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 3.46 m and, in starting, rotates according to Theta = 0.30 t 2. where t is in seconds and Theta is in radians. When t = 5.81 s, what is the magnitude of the astronaut's linear speed?
An astronaut candidate is being tested in a centrifuge that has a radial acceleration of 4g. The radius of the machine is 8 m. What is the linear velocity of the astronaut? What is the period of rotation? What is the angular velocity?
A centrifuge with radius 0.5 m is rotating to θ = 0.40t2 . At t = 2.0 s, what are the magnitudes of the (a) angular velocity, (b) linear velocity, and (c) radial/centripetal acceleration?
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Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 40.0 s to speed up from rest to its top speed of 1 rotation every 1.50 s . The astronaut is strapped into a seat 7.60 m from the axis. a.What is the astronaut's tangential acceleration during the first 40.0 s ? b. How many g's of acceleration does the astronaut experience when the device is rotating at top speed? Each 9.80 m/s2 of acceleration...
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A disk of radius 2.05 m rotates about its axis. Points on the disk\'s rim undergo tangential acceleration of magnitude 2.71 m/s2. At a particular time the rim has a tangential speed of 1.51 m/s. At a time 0.923 seconds later, what is the tangential speed, v, of a point on the rim, the magnitude of the point\'s radial acceleration, ar, and the magnitude of its total acceleration, atot?