Take the Mechanical Equivalent of Heat as 4 J/cal $\degree$ C) the Wax Was Initially at 20

question 44

Multiple Choice

Take the mechanical equivalent of heat as 4 J/cal. A 10-gram bullet moving at 2000 m/s plunges into 1 kg of paraffin wax (specific heat 0.7 cal/g. $\degree$ C) . The wax was initially at 20 $\degree$ C. Assuming that all the bullet's energy heats the wax, its final temperature ( $\degree$ C) is:

• A) 20.14
• B) 23.5
• C) 20.006
• D) 27.1
• E) 30.23

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Definitions:

Perfectly Competitive Market

A market structure characterized by many buyers and sellers, identical products, and no barriers to entry or exit, leading to efficient price determination.

Short Run

A period in which at least one factor of production is fixed and cannot be changed.

Purely Competitive Industry

A market structure characterized by many small firms producing identical products, with no single firm able to influence market prices.