What is the proper way to calculate time squared in seconds?

In summary, when calculating the Time squared part, you must square both the number and the units. It is recommended to convert to standard units before performing calculations.
  • #1
jendrix
122
4
Hello, I'm currently doing some work on the above and have ran into a problem when calculating the Time squared part as it should be in Seconds squared.

I currently have the time in miliseconds, so say I have

150ms should I square this number then convert it into seconds or convert it first and then square it.

For example 150ms the first way gives 22500 which is 22.5s

Converting it to 0.150s then squaring it gives 0.0225?

Thanks
 
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  • #2
(150ms)2 = (0.150s)2 = (0.150)2(s)2 = 0.0225 s2

Or:
(150ms)2 = (150)2(ms)2 = (150)2(0.001 s)2 = 0.0225 s2

Key point:
1 (ms)2 = 10-6 s2
 
  • #3
I appreciate your help but I'm still puzzled by this.
 
  • #4
jendrix said:
I appreciate your help but I'm still puzzled by this.
What part puzzles you?
 
  • #5
I'll try again:
jendrix said:
I currently have the time in miliseconds, so say I have

150ms should I square this number then convert it into seconds or convert it first and then square it.
Whatever you do, you must square both the number and the units.

For example 150ms the first way gives 22500 which is 22.5s
No. When you square 150 ms you end up with 22500 ms2 (not just ms). You'd have to convert from ms2 to s2, which means multiplying by 10-6.

Converting it to 0.150s then squaring it gives 0.0225?
That's fine. Notice that your units are s2.

Personally, I would always convert to standard units before doing any calculations. So I would convert 150 ms to 0.150 s, and then I'd do my squaring.
 

FAQ: What is the proper way to calculate time squared in seconds?

What is acceleration due to gravity?

Acceleration due to gravity is the rate at which an object falls towards the Earth's surface. It is a constant value of 9.8 meters per second squared (m/s^2) near the Earth's surface.

How is acceleration due to gravity calculated?

The acceleration due to gravity can be calculated by dividing the force of gravity (9.8 m/s^2) by the mass of the object. This gives the acceleration in meters per second squared (m/s^2).

Does the acceleration due to gravity change with altitude?

Yes, the acceleration due to gravity does change with altitude. As an object moves away from the Earth's surface, the force of gravity decreases, resulting in a lower acceleration due to gravity.

How does the mass of an object affect its acceleration due to gravity?

The mass of an object does not affect its acceleration due to gravity. According to Newton's second law of motion, the acceleration of an object is dependent on the force acting on it and its mass. However, the force of gravity remains constant, so the mass of an object does not impact its acceleration due to gravity.

Is acceleration due to gravity the same everywhere on Earth?

No, acceleration due to gravity can vary slightly depending on location. Factors such as altitude, latitude, and local geology can impact the force of gravity and therefore, the acceleration due to gravity. However, these variations are usually very small and do not significantly affect calculations.

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