A Solid Sphere Starts from Rest and Rolls Down a Slope

question 65

Multiple Choice

A solid sphere starts from rest and rolls down a slope that is 5.1 m long.If its speed at the bottom of the slope is 4.3 m/s, what is the angle of the slope?

• A)10°
• B)15°
• C)20°
• D)30°
• E)cannot be calculated without knowing the mass and radius of the sphere

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Definitions:

Revenue

The income generated from normal business operations and includes discounts and deductions for returned merchandise.

Flexible Budget

A budget that adjusts or flexes with changes in the volume or activity level.

Static Planning Budget

A budget based on a fixed level of activity and does not change in response to variations in the actual level of activity.

Activity Variances

The differences between planned or standard costs of activities and the actual costs incurred, useful for management in budgeting and performance evaluation.