A 0500 Kg Stone Is Moving in a Vertical Circular Path

question 10

Multiple Choice

A 0.500 kg stone is moving in a vertical circular path attached to a string that is 75.0 cm long. The stone is moving around the path at a constant frequency of 2.20 rev/sec. At the moment the stone is overhead, the stone is released. The velocity of the stone when it leaves the circular path is

• A) 10.4 m/s horizontal.
• B) 10.4 m/s vertical.
• C) 22.0 m/s horizontal.
• D) 22.0 m/s vertical.
• E) 31.4 m/s horizontal.

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Definitions:

Basaltic Lava

A dark, fine-grained volcanic rock that forms from the quick cooling of basaltic lava, rich in iron and magnesium.

Viscous Lava

Lava that has a thick, sticky consistency due to a high silica content, flowing slowly.

Lava Fountain

A spectacular volcanic phenomenon where lava is forcefully ejected into the air from a vent or fissure, forming a fountain-like display.

Fluid Lava

describes lava with low viscosity that flows easily, typically associated with less explosive volcanic eruptions.