Solve the Following Problem

question 2

Short Answer

Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled. A person standing on top of a 16-foot high sand pile wishes to estimate the width of the pile. He visually locates two rocks on the ground below at the base of the sand pile. The rocks are on opposite sides of the sand pile, and he and the two rocks are in line with one another. If the angles of depression from the top of the sand pile to each of the rocks are 18° and 26°, how far apart are the rocks? Apply the rules regarding the use of significant digits when determining your answer. Distance between rocks = __________ ft

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Definitions:

Load Test

A test for determining the condition of charge for a battery.

Lead-Acid Battery

A type of rechargeable battery that uses lead dioxide and sponge lead, with an electrolyte of sulfuric acid, commonly used in vehicles and backup power systems.

Terminal Voltage

The voltage measured across the terminals of a device, which can be affected by the device's internal resistance and the current flowing through it.

Nicad Battery

A rechargeable battery variety utilizing nickel oxide hydroxide and cadmium metal as its electrode materials.