A Ball Is Thrown Straight Up,reaches a Maximum Height,then Falls

question 76

Multiple Choice

A ball is thrown straight up,reaches a maximum height,then falls to its initial height.Which of the following statements about the direction of the velocity and acceleration of the ball as it is going up is correct?

• A)Both its velocity and its acceleration point upward.
• B)Its velocity points upward and its acceleration points downward.
• C)Its velocity points downward and its acceleration points upward.
• D)Both its velocity and its acceleration points downward.

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Definitions:

Normal Profit

The level of profit that is necessary for a company to remain competitive in the market, often considered as the minimum return required to cover opportunity costs.

Mass Customisation

A manufacturing and marketing strategy that combines mass production efficiency with personalized customization to meet individual customer preferences.

Continuous-Process Production

Raw materials are continuously transformed by an automated system.

Lean Production

A manufacturing philosophy that emphasizes the minimization of waste and maximization of efficiency within the production process.