An Object of Mass 2

question 33

Short Answer

An object of mass 2.00 kg is held at a position A, a vertical height of 20.0 m above the ground. Point B is 8.00 m directly below A. Neglect air resistance and use g = 10.0 m/s².
(a) What is the speed of the object at position B when it falls from position A?
(b) What is the speed of the object just before it touches the ground?
(c) What is the ratio of the total energy of the object at position A to position B?

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Definitions:

Median

A statistical measure representing the middle value in a set of numbers, which divides the data into two equal halves.

Mean

An average of a group of values, computed by dividing the sum of the group of values by the number of values in the group.

Frequency Distribution

A mathematical function showing the number of instances in which a variable attains each of its possible values.

Histogram

A diagram that presents the grouped data from a frequency table.