An Electron (M = 9

question 54

Multiple Choice

An electron (m = 9.11 * 10^-31 kg) has a momentum of 1.3 *10^-21 kg .m/s.Its kinetic energy is:

• A)6.3* 10^-14 J
• B)8.2 *10^-14 J
• C)1.5 *10^-13 J
• D)3.2 *10^-13 J
• E)4.0 *10^-13 J

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Definitions:

Input Shaft

The part of a machinery or system that takes in power or material for processing, commonly found in engines and transmissions.

Transmission Lube Level

The optimal amount of lubricant within a transmission system, crucial for smooth operation and preventing wear.

Overdrive Ratio

A gear ratio in which the output speed of a transmission is higher than the input speed, resulting in lower engine RPM and improved fuel efficiency at high speeds.