A Projectile Is Fired from the Edge of a Cliff

question 74

Multiple Choice

A projectile is fired from the edge of a cliff as shown in the figure.The initial velocity components are 940 m/s (horizontal) and 96 m/s (vertical) .The projectile reaches maximum height at point P and then falls and strikes the ground at point Q.How high is point P above point Q,assuming no air effects?

• A)470 m
• B)490 m
• C)45,000 m
• D)940 m
• E)90,000 m

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Definitions:

Major Earthquake

An earthquake of high magnitude that has the potential to cause significant damage and loss of life, usually above a magnitude of 7 on the Richter scale.

Poisson Model

A statistical model that predicts the probability of a given number of events happening in a fixed interval of time or space when these events occur with a known constant mean rate and independently of the time since the last event.

Probability

The quantification of the probability that an event will take place, expressed as a number from 0 to 1, with 0 signifying that the event cannot occur and 1 signifying absolute certainty of occurrence.

Defects

Imperfections or faults in a product, process, or system that deviate from desired specifications.