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1. A particle moves in a circle of radius 1.50 m according to the relation K0)=5r² + 31, where Ois measured in
radians and i in seconds. What is the linear speed of the particle after 3.00 seconds?
a) 33.0 m/s
c) 54.0 m/s
b) 49.5 m/s
d) 45.0 m/s
2. Refer to #1. What is the tangential acceleration after 3.00 seconds?
b) 45.0 m/s?
a) 10.0 m/s?
c) 30.0 m/s
d) 15.0 m/s?

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