RRB ALP CBT-2 Day-6 || Speed and Velocity || चाल और वेग || By BK Pathak Sir

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In This Video "RRB ALP CBT-2 Day-6 || Speed and Velocity || चाल और वेग || By BK Pathak Sir " covers the following key points:
Instruments refer to the tools or devices used to measure physical, chemical, or biological quantities. Examples include thermometers, balances, spectrophotometers, and voltmeters. The precision and accuracy of instruments affect the reliability of the measurements.
Speed and Velocity: Key Differences
Definition:
Speed: The rate at which an object covers distance, regardless of direction. It is a scalar quantity.
Velocity: The rate of change of an object's position, with direction. It is a vector quantity.
Formula:
Speed:
Speed
=
Distance
Time
Speed=
Time
Distance
​
Velocity:
Velocity
=
Displacement
Time
Velocity=
Time
Displacement
​
Unit:
Both are measured in meters per second (m/s) in SI units.
Direction:
Speed does not include direction (e.g., 60 km/h).
Velocity specifies direction (e.g., 60 km/h north).
Key Example:
A car driving in a circle at constant speed has changing velocity because its direction changes.
In summary, speed tells "how fast," while velocity tells "how fast and in which direction."
Here's a breakdown of the crucial physics calculation techniques you'll need to master for the RRB exams:
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