A Bead Is Moving with a Speed of 20 M/s

question 43

Multiple Choice

A bead is moving with a speed of 20 m/s at position A on the track shown in the figure. This track is friction-free, and there is no appreciable air resistance. What is the speed of the bead at point C?

• A) 0 m/s
• B) 34 m/s
• C) 69 m/s
• D) 20 m/s
• E) We cannot solve this problem without knowing the mass of the bead.

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Definitions:

Perfectly Inelastic

A demand situation where the quantity demanded does not change regardless of the price level.

Excise Tax

is a tax directly levied on certain goods, services, or activities, often with the intent to reduce their consumption or generate revenue.

Market Price

The current price at which a good or service can be bought or sold in a given market, reflecting supply and demand dynamics.

Tax Revenue

The wealth gathered by governments by imposing taxes.