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Average velocity is simply the difference in position, divided by the time. Since you use the word "velocity" rather than "speed", a direction must be indicated. Exapmle: If you drive 100 km. due North, during 2 hours, your average velocity is 50km. per hour due North.
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Who study the variation in velocity?
A change in velocity is acceleration, and would be studied by a physicist or a mechanical engineer.
Would instantaneous velocity yield the same value as average velocity?
Only if the velocity is constant.
When is an object's average velocity equal to its instantaneous velocity?
If the velocity is constant (i.e., there is no acceleration). Terminal velocity is an example, although any constant velocity would fit this description.
What is the magnitude of average velocity?
Not directly. acceleration is the rate at which velocity changes, but unless near light-speed the only reason velocity would cause any difference to acceleration would be due to forces which are proportional to velocity, such as drag or friction. Near the speed of light time bends so a body would, compared to the rest of the universe, appear to decelerate so as to reach a maximum velocity of the speed of light.
What would produce an average velocity of zero?
A round-trip to school and back
Who study the variation in velocity?
A change in velocity is acceleration, and would be studied by a physicist or a mechanical engineer.
Define clock reading as a physicist would?
Time between an event and a reference time (usually zero)
Would instantaneous velocity yield the same value as average velocity?
Only if the velocity is constant.
What does the area under the acceleration-time graph represent?
its the velocity
When is an object's average velocity equal to its instantaneous velocity?
If the velocity is constant (i.e., there is no acceleration). Terminal velocity is an example, although any constant velocity would fit this description.
What is the magnitude of average velocity?
Not directly. acceleration is the rate at which velocity changes, but unless near light-speed the only reason velocity would cause any difference to acceleration would be due to forces which are proportional to velocity, such as drag or friction. Near the speed of light time bends so a body would, compared to the rest of the universe, appear to decelerate so as to reach a maximum velocity of the speed of light.
How long will it take for Apollo 11 to travel to the sun if it moves at the same average velocity from earth to the sun?
It would depend on what that velocity was.
What would produce an average velocity of zero?
A round-trip to school and back
What do you call a person who studies physics?
A scientist that studies motion, forces and energy would be called a physicist.
How can you get average velocity?
You can calculate average speed by dividing the total distance travelled by the total time of travel. To go from speed to velocity, you would also need to determine the vector (direction of travel).
Which type of scientist would study the effect of wind on different bike racing helmets?
A physicist specialized in aerodynamics
Compare and contrast velocity and instantaneous speed?
velocity is just a general term for speed (it could be average velocity or instantaneous velocity). Instantaneous velocity/speed (same thing) is the speed at that second. If you are familiar with calculus, it is the derivative of the position graph. Whereas average velocity is how fast the object is going in, for example, 1 hour, it is the speed that is maintained the whole hour (or the average) Instantaneous would be that at the second, at for example t=1.425, the speed is 24m/h . something along those lines
