Two Friends Are Standing on Opposite Ends of a Canoe

question 77

Multiple Choice

Two friends are standing on opposite ends of a canoe that is initially at rest with respect to a frictionless lake.The person in the front throws a very massive ball toward the back,and the person in the back catches it.After the ball is caught,the canoe is

• A)moving backward.
• B)stationary.
• C)moving forward.

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Definitions:

Boron

A chemical element with the symbol B and atomic number 5, used in fiberglass, borosilicate glass, and as a dopant in semiconductors.

Carbon

A non-metallic chemical element with symbol C, essential to all known life, forming organic compounds when combined with hydrogen, oxygen, etc.

Copper

A reddish-brown, ductile, and malleable metal that is a good conductor of heat and electricity, symbolized as Cu with an atomic number of 29.

Cobalt

A chemical element with symbol Co and atomic number 27, used in alloys, batteries, and as a blue pigment for glass and ceramics.