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Absolutely! If an object has been already traveling for 30 seconds. If you start your watch at 30 seconds, then t = 0 at 30 seconds! The velocity of the object 3 seconds BEFORE you start the watch would then be t = -3 and 3 seconds after you start the watch would be t = 3.
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∙ 14y ago
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Can work positive or Negative in physics how?
Yes Work can be positive or Negative.
What is negative energy in physics?
what I mean is, the alcubierre drive needs negative energy to work so what are the properties of negative energy
What is physics is all about?
Physics is the study of matter and its motion. (Along with the study of space and time.)
Where can you get positive and negative wires for a class project?
You can get the positive and negative wires for a class project at a store that sells the Physics apparatus.
How have the laws of physics changed of time?
The laws of physics have not changed over time. Our understanding of them has changed over time.
Why is gravitational potential always negative?
because gravity is a force that acts down on an object. In physics up is positive and down is negative
What is the neutrals particle in an atomic nucleus?
If I remember my elementary physics, it's the neutron.
Physics in time light?
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Can instantaneous speed be negative?
Velocity refers to the rate of change in distance of an object, and also the direction of the change, where speed just refers to the rate of change without regard to the direction, so if the object moved at all, it would have an average speed greater than zero, so No.
What does t stand for in physics?
time
Why intrinsic semiconductor has negative halls coefficient?
The difference in the electron and hole mobilities is responsible for the small negative Hall coefficient of intrisic semiconductors. Refs: C.M.Hurd : Hall effect in metals and alloys R.Asokamani :solid state physics Busch& Schade; Solid state Physics
What branches of mathematics help time scientists?
Physics, particularly quantum physics (which is essentially mathematics).
