Two Projectiles Are Fired from Ground Level at Equal Speeds

question 57

Multiple Choice

Two projectiles are fired from ground level at equal speeds but different angles.One is fired at an angle of 30 degrees and the other at 60 degrees.The projectile to hit the ground first will be the one fired at (neglect air resistance)

• A)30 degrees.
• B)60 degrees.
• C)Both hit at the same time.

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Definitions:

Confidence Interval

An aggregation of values, through the analysis of sample data, projected to enclose the secret value of a population trait.

Waiting Time

The time that elapses from a point of request until the commencement of a service or response.

Unemployment Rate

The percentage of the labor force that is jobless and actively looking for employment.

Margin of Error

An expression of the amount of random sampling error in a survey's results, representing how much the results might differ from the true population value.