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It depends on theconditions that you are taking the photograph in. Also, the speeds incicated are usually the reciprocal so a sixtieth of a second or an eighth of a second.
Neither speed is any good if there is likely to be any movement - of the object or the camera.
The exact answer depends on the camera (or digital sensitivity), the film rating if using film, the sort of image you are looking for etc.
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What travels at the speed of 300000 kilometres per second?
That is approximately the speed of light (c). In metric units it is exactly 299792458 meters per second (299792.458 kilometers per second). Even electrons in atoms travel at approximately the same speed (but always less than speed of light)
What goes from zero to one hundred and fifty in less than a second?
The speed of light.
How fast does a rock free fall in feet per second?
The speed keeps increasing. At any instant, the speed is 32.2 feet per second faster than it was 1 second earlier. That number is called the "acceleration of gravity".
Computers today make how many computations per second?
You are asking what the processing speed is and the answer varies for individual madels. The speed is measured in parts of a second (rather than by the second) and many newer computers are now built with two processors that work together to further increase the processing speed and capacity.
What does the phrase per second per second mean?
per second per second is taken with the context of how an object is changing its acceleration. An object accelerates by speeding up or slowing down. If an object speeds up, it could speed up at a rate of 5 meters per hour, let's say, every second. So after one second, its speed is 5 mph; after two seconds, its speed is 10 mph and so forth. If an object's speed is increasing at 5 meters a second, then its speed is 5 meters per second the first second; 10 meters per second the second second and so forth. We would say the object's acceleration is 10 meters per second / per second.AnswerIt has to do with speed,the time an object falls from a given height is calculated in seconds per second( it fell in less than a second)
