Velocity Unit: Is 30 m/s^2 an Example?

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SUMMARY

The discussion clarifies that 30 m/s² is not a velocity unit but rather an acceleration unit. Velocity is defined as distance divided by time, resulting in units of meters per second (m/s). The conversation also emphasizes that calculating velocity without considering time is impossible, although instantaneous velocity can be determined under specific conditions using calculus. The distinction between velocity and acceleration is crucial for accurate scientific communication.

PREREQUISITES
  • Understanding of basic physics concepts, specifically velocity and acceleration.
  • Familiarity with units of measurement, such as meters and seconds.
  • Basic knowledge of calculus, particularly instantaneous rates of change.
  • Ability to differentiate between various physical quantities and their units.
NEXT STEPS
  • Study the principles of kinematics in physics to deepen understanding of motion.
  • Learn about calculus applications in physics, focusing on instantaneous velocity.
  • Explore unit conversions between different measurement systems, such as metric and imperial.
  • Investigate the relationship between velocity, acceleration, and time in various contexts.
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in understanding the fundamental concepts of motion and the correct application of units in scientific contexts.

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For velocity unit, is it, for example, 30 m/s^2?
 
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meters per second, m/s

m/s^2 is acceleration.
 
Assuming that you are measuring distance in meters and time in seconds, then, since velocity is "distance/time", its units would be m/s.
Acceleration, which is "velocity/ time" would be (m/s)/s= m/s2.

Of course, if you measure distance in miles and time in hours, then velocity would be "miles divide by hours", mi/hr or "miles per hour".
 
how do u calculate velocity WITHOUT time?
 
Cpl_uppem said:
how do u calculate velocity WITHOUT time?

Eh? What does that have to do with this thread?
 
1. Don't "hijack" some else's thread to ask a separate question. Start your own.

2. You can't "calculate velocity WITHOUT time". You can, under certain conditions, calculate velocity "at a given instant", without a change in time. That's one of the basic questions calculus was developed to answer.
 

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