A Roller-Coaster Car Has a Mass of 500 Kg When

question 38

Multiple Choice

A roller-coaster car has a mass of 500 kg when fully loaded with passengers.At the bottom of a circular dip of radius 40 m (as shown in the figure) the car has a speed of 16 m/s.What is the magnitude of the force of the track on the car at the bottom of the dip?

• A)3.2 kN
• B)8.1 kN
• C)4.9 kN
• D)1.7 kN
• E)5.3 kN

Understand the difference and significance of market-to-book value and P/E ratios in financial analysis.

Analyze the effects of inflation on accounting depreciation and real economic income.

Recognize the importance of restating financial statements to a common accounting basis for comparison.

Calculate and interpret firm-specific ratios such as leverage, quick ratio, asset turnover, and inventory turnover.

---

Definitions:

Feedback Inhibition

is a regulatory mechanism where the output of a process inhibits the process itself, often used in metabolic pathways to maintain balance.

Metabolic Pathway

Series of enzyme-mediated reactions by which cells build, remodel, or break down an organic molecule.

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions.

Active Transport

The movement of substances across cell membranes against a concentration gradient, requiring energy input typically from ATP.