A Car Is Traveling South at 30 Km/h

question 44

Multiple Choice

A car is traveling south at 30 km/h.It rounds a curve,and 6 s later it is traveling west at 30 km/h.The magnitude of the average acceleration of the car is

• A)zero
• B)60 km/h · s
• C)5 km/h · s
• D)50 km/h · s
• E)7.1 km/h · s

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Definitions:

NPV

Net Present Value (NPV) is a financial metric that calculates the difference between the present value of cash inflows and outflows of a project or investment over time.

Capital-Labor Ratio

The ratio of the total value of capital equipment to the labor force, indicating the level of capital intensity in production processes.

Productivity Growth

The increase in the efficiency of production in an economy, typically measured as the output per hour worked.

Cumulative Power

Cumulative power refers to the total amount of energy generated or exerted over a period of time.