A Car Rounds a 75-M Radius Curve at a Constant

question 43

Multiple Choice

A car rounds a 75-m radius curve at a constant speed of 18 m/s.A ball is suspended by a string from the ceiling the car and moves with the car.The angle between the string and the vertical is:

• A)0°
• B)1.4°
• C)24°
• D)90°
• E)cannot be found without knowing the mass of the ball

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Definitions:

Compounded Annually

Interest calculated on the initial principal and the accumulated interest from the past year added together once per year.

Term Deposit

A type of bank deposit that has a fixed term and typically offers a higher interest rate than a regular savings account.

Interest Rate

The percentage of a sum of money charged for its use.

Original Principal

The initial amount of money borrowed or invested before any interest or earnings are applied.