A Proton of Mass M Is at Rest When It

question 80

Multiple Choice

A proton of mass m is at rest when it is suddenly struck head-on by an alpha particle (which consists of 2 protons and 2 neutrons) moving at speed v.If the collision is perfectly elastic,what speed will the alpha particle have after the collision? (Assume the neutron's mass is equal to the proton's mass. )

• A)zero
• B)2v/3
• C)3v/5
• D)5v/3

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Definitions:

Inventory Investment

Refers to the changes in the stock of goods that a company holds over a period, aiming to meet future sales demands or price changes.

Depreciation

An accounting method of allocating the cost of a tangible asset over its useful life, reflecting wear and tear, deterioration, or obsolescence.

Gross Investment

The total amount of money spent on capital goods, or assets that will provide productive capacity for the future, without deducting for depreciation.

Depreciation

The process of allocating the cost of a tangible asset over its useful life, reflecting the decrease in value over time.