cone A conical pendulum is formed by attaching a 0.80kg ball to a 1.0m -long str
ID: 2183408 • Letter: C
Question
cone
A conical pendulum is formed by attaching a 0.80kg ball to a 1.0m -long string, then allowing the mass to move in a horizontal circle of radius 40cm . The figure (Figure 1) shows that the string traces out the surface of a cone, hence the name. What is the tension in the string? What is the ball's angular velocity, in rpm? Express your answer using two significant figures.
A conical pendulum is formed by attaching a 0.80kg ball to a 1.0m - long string, then allowing the mass to move in a horizontal circle of radius 40cm . The figure (Figure 1) shows that the string traces out the surface of a cone, hence the name. What is the tension in the string? What is the ball's angular velocity, in rpm? Express your answer using two significant figures.Explanation / Answer
Tcos(angle) = mg,,,,,,,,,, T(0.9)=.8g,,,,,,,,,,,, tension=T=8.7 N,,,,,,,,,,,, Tsin(angle)=mw^2r w=3.3 rad/s =31.5 rpm
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