An Object Attached to the End of a String Swings $\theta$

question 19

Multiple Choice

An object attached to the end of a string swings in a vertical circle (R = 1.2 m) ,as shown.At an instant when $\theta$ = 30 $\degree$ ,the speed of the object is 5.1 m/s and the tension in the string has a magnitude of 20 N.What is the mass of the object?

• A)2.0 kg
• B)1.5 kg
• C)1.8 kg
• D)1.2 kg
• E)0.80 kg

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Definitions:

Materials

Raw substances or components used in the manufacturing process to create products.

Equivalent Units

A concept used in cost accounting to convert the amount of work done on partially finished goods into the number of fully completed units.

Materials

Substances or components that are used in the production process to create a finished product.

First Processing Department

The initial stage or department in a manufacturing process where raw materials begin to be transformed into finished products.