A 90-Kg Halfback Running North with a Speed of 10

question 6

Multiple Choice

A 90-kg halfback running north with a speed of 10 m/s is tackled by a 120-kg opponent running south at 5.0 m/s.The collision is perfectly inelastic.Compute the velocity of the two players just after the tackle.

• A) 1.4 m/s south
• B) 2.8 m/s south
• C) 2.8 m/s north
• D) 1.4 m/s north

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Definitions:

RAM

Stands for Random Access Memory, a type of computer memory that can be accessed randomly; any byte of memory can be accessed without touching the preceding bytes.

Machine Language

The fundamental language consisting of binary code that can be directly understood and executed by a computer's central processing unit (CPU).

Pascaline

An early mechanical calculator invented by Blaise Pascal in the 17th century, capable of performing addition and subtraction.

Main Memory

The primary storage area in a computer where data and programs that are in active use are stored; also known as RAM (Random Access Memory).