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2012-07-17 02:12:21
2012-07-17 02:12:21

For the purposes of this explanation, velocity will be given in m/s. If it's starting position is the same as its stopping position, the radio controlled car will have an average velocity of zero meters per second. This is because average velocity is displacement/time interval. Displacement is change in position and is a vector quantity, which has magnitude and direction. Average velocity is the displacement/time interval, and is also a vector quantity, including the magnitude of the speed and its direction. If you start and stop walking at the same position, your displacement is 0m, even if you walked a distance of 100 miles, and your average velocity would be 0m/s.

Refer to the related link below for an illustration.


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A dog running in circles, stopping where it started

This would be when you travel form one point to somewhere else and then bake again while having the same velocity when you started and when you finished.

With controlled experiments it is taken into consideration what possible variables there could be and it is taken into account when conducting the experiment. This would mean that controlled experiments would produce more valid data.

To find average velocity, you need to know the displacement. If you knew displacement, average velocity would be found by: V = Displacement / time

If the velocity is constant (i.e., there is no acceleration). Terminal velocity is an example, although any constant velocity would fit this description.

No. If it its moving at constant velocity, its instantaneous velocity would be the same as its constant velocity.

Would that be mass times velocity

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.

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).

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

Speed is the magnitude of distance travelled per unit time, whereas velocity depends on the magnitude of distance travelled as well as the direction of motion. Speed is a scalar quantity, velocity is a vector. Speed cannot be negative, velocity can be negative. Average speed of an object after travelling a certain distance is always non-zero, but for velocity the average velocity can be zero (this follows from the previous idea).

There is no average velocity of light. Within a given medium, the velocity of light is fixed and absolute. In a vacuum, it is approximately 3.0 x 108 m/s, or 186,000 miles per second. It would be somewhat slower through denser media like water and glass.

you would produce about 30 pounds a week. with a family or five

954 / 2.8 = 340.71428571428571428571428571429About 340 time units(I would have said 341 if there had been three significant figures in the velocity value)

Yes, an object having zero average velocity over a given time may still be accelerating during that interval, relative to another object which is accelerating away from it (i.e., an observer on that other object would see the "zero average velocity" object moving away from him/her).

That would be the magnitude of the average acceleration during that period of time.

velocity is speed with a direction. speed would be like 35mph. velocity would be like 35 mph south

Momentum is mass multiplied by velocity - so it is proportional to the velocity. If the velocity triples then so does the momentum

Speed is exactly like velocity, except velocity has a fixed direction. So speed would be 50mph, whereas velocity would be 50mph NE

Velocity is speed with a direction. For Example 30 Miles/hour East would be velocity.

Velocity, you divide distance/time Hi my names bob.

I guess that would depend on what you want to calculate (the charge? the velocity? the average energy of the charges?), and what information is given.

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