A Bullet, M = 0

question 103

Multiple Choice

A bullet, m = 0.500 kg, traveling with a velocity of 100 m/s strikes and embeds itself in the bob of a ballistic pendulum, M = 9.50 kg. The combined masses rise to a height h = 1.28 m. The speed V_f of the combined masses immediately following impact is

• A) 5.00 m/s
• B) 5.26 m/s
• C) 9.10 m/s
• D) 10.0 m/s
• E) 22.3 m/s

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Definitions:

Meteor Impact

The collision of a meteoroid with the Earth or another planet, causing effects ranging from craters to climate changes depending on the size and speed of the meteoroid.

Extinction

The process through which a species ceases to exist due to the death of its last remaining members.

Dinosaurs

A diverse group of prehistoric reptiles that lived during the Mesozoic Era, now extinct.

Mass Extinctions

Events in Earth's history where large numbers of species become extinct in a relatively short period of time.