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Actually force is negative gradient of energy. Hence space is essential for energy to manifest into force. As force is there then motion is possible.
yes, it is possible to have a negative decimal.
Negative speed isn't possible, but negative velocity is.
Yes it is possible...
No.
Impossible.
Radii are always positive. No, it is not possible to draw a circle with negative radius.
No. "Absolute" means non-negative.
It is possible to be pregnant and the test negative, but not likely.
Worry represents a cognitive process in which an individual becomes overly concerned with a future event and overestimate or exaggerate the possible outcome. A worrier may therefore engage in repetitive negative self-talk on possible outcomes. It appears that the worry process enables the individual hypothetically live his experience before he encounters the actual situation.
Yes
Of course it is! If the mean of a set of data is negative, then the coefficient of variation will be negative.