The skater in the previous question lowers her arms as shown in the adjacent figure decreasing her radius to 0.15 m. Find her new speed.

0
44.2 m/s
48 m/s
a
28.8 m/s
22.1 m/s

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)