Question

fill in the blank question
when a tennis racket hits a tennis ball, the time needed for the racket to change the balls direction by imparting an impulse (the product of the average force on an object and the time interval over which it acts) to it is extremely blank.
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Explanation:

In physics (a subfield of Natural Science), when a tennis racket hits a ball, the contact time between them is extremely short. This is because the interaction happens very quickly, and concepts like impulse (force × time) relate to the change in momentum. The time interval for such a collision is known to be short.

Answer:

short