In a shadow play, the actors are behind a translucent screen and the audience only sees their two-dimensional shadows on the screen
Assume that the lighting is such that the dimensions of objects are undistorted. In a certain play, a witch is stirring a caldron by moving a spoon, held vertically, in a horizontal circle with a radius of 20 cm, making one revolution every 2.4 s. What is the maximum acceleration of the spoon seen by the audience?
A)
0.35 m/s2
B)
1.1 m/s2
C)
1.4 m/s2
D)
0.48 m/s2
E)
0.52 m/s2
C
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