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The angular velocity of an object in circular motion at a distance \(r =\) \(\rm{m}\) from the point of rotation is shown in Fig. 1.

Part 1#

Choose the option which correctly states at which times the object is speeding up and the sign of its angular acceleration during this period.

Answer Section#

Part 2#

Choose the option which correctly states at which times the object is slowing down and the sign of its angular acceleration during this period.

Answer Section#

Part 3#

Find the speed of the object at \(t = 2 \rm{s}\).

Answer Section#

Please enter in a numeric value.

Part 4#

Find the magnitude of the centripetal acceleration at \(t = \) \(\rm{s}\).

Answer Section#

Please enter in a numeric value.

Part 5#

Find the tangential acceleration at \(t = \) \(\rm{s}\).

Answer Section#

Please enter in a numeric value.

Part 6#

Find the magnitude of the total acceleration at \(t = \) \(\rm{s}\).

Answer Section#

Please enter in a numeric value.

Part 7#

At \(t = 1 \rm{s}\), what is the direction of the acceleration?

Answer Section#

Part 8#

At \(t = 2.5 \rm{s}\), what is the direction of the acceleration?

Answer Section#

Part 9#

What is the angular displacement from \(t = 0 \rm{s}\), to \(t = 1 \rm{s}\)?

Answer Section#

Please enter in a numeric value.

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.