A Fire Hose Is Turned on the Door of a Burning

question 62

Multiple Choice

A fire hose is turned on the door of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg of water per second, what is the minimum
Velocity of the stream needed to knock down the door, assuming the water doesn't bounce back?

• A) 20 m/s
• B) 30 m/s
• C) 25 m/s
• D) 15 m/s

Understand cultural differences in perception and brain activation.

Describe research methodology and findings in the study of precognition.

Understand the concept of the fallacy of positive instances.

Recognize the ganzfeld procedure as a method for testing ESP.

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Definitions:

Simplify Expression

To alter an expression into its simplest form, making it easier to understand or solve by combining like terms and applying mathematical operations.

Radix

The base of a number system; for example, the radix for the decimal system is 10.

Square Root

An amount which yields the initial number when squared.

Square Inches

A unit of area measurement for two-dimensional space, equivalent to the area of a square with sides of one inch.