The Position of an Air-Track Cart That Is Oscillating on a Spring

question 64

Multiple Choice

The position of an air-track cart that is oscillating on a spring is given by the equation x=(12.4 cm)
At what value of t after t=0.00 s is the cart first located at x=8.47 cm?

• A) 4.34 s
• B) 0.129 s
• C) 7.39 s
• D) 0.108 s
• E) 7.75 s

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Definitions:

Purely Competitive Seller

A seller in a perfectly competitive market where the product offered has no differentiation, and the seller is a price taker with no control over the market price.

MR = MC Output

The condition where Marginal Revenue (MR) equals Marginal Cost (MC) represents the profit-maximizing level of output for a firm.

Total Variable Costs

The sum of all costs that vary with output level in the short term.

Profit-maximizing Firm

A company that adjusts its production to achieve the highest possible profit based on its costs and the market demand.