In an Elastic Collision Between Two Bodies of Equal Mass

question 33

Multiple Choice

In an elastic collision between two bodies of equal mass, with body 2 initially at rest, body 1 moves off at angle θ relative to the direction of its initial velocity and body 2 at angle φ. The sine of the sum of θ and φ, sin(θ + φ) , is equal to

• A) 0.
• B) 0.500.
• C) 0.707.
• D) 0.866.
• E) 1.00.

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Definitions:

Subduction Zone

A subduction zone is a region of Earth's crust where two tectonic plates converge, and one plate is forced beneath another into the mantle, often leading to intense seismic and volcanic activity.

Melting Temperature

The specific temperature at which a solid substance turns into a liquid at atmospheric pressure.

Subducted Plate

A tectonic plate that is being forced underneath another plate into the Earth's mantle at a convergent boundary.

Ophiolite

A portion of the Earth's oceanic crust along with the upper mantle beneath it that has been elevated and is now visible above the surface of the sea.