A tetherball is on a 2.1 m string that makes an angle of 44° with the vertical as it moves around the pole in a horizontal plane.If the mass of the ball is 1.3 kg,what is the ball's speed?
A)3.7 m/s
B)2.9 m/s
C)3.4 m/s
D)4.2 m/s

Question

Quizplus · Accepted Answer

The correct answer is A because the ball's speed is 3.7 m/s. This can be calculated using the formula v = sqrt(r * g * sin(theta)), where r is the length of the string, g is the acceleration due to gravity, and theta is the angle the string makes with the vertical.

A Tetherball Is on a 2