Bacteria vary somewhat in size but a diameter of 2.0, Ask an Expert

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Q. Bacteria vary somewhat in size, but a diameter of 2.0 nanometers is not unusual. What would be (a) volume (in cubic centimeters) and (b) surface area (in square millimeters) of such a bacterium, assuming that it is spherical?

Q. A horse canters away from its trainer in a straight line, moving 118 away in 15.1 s. It then turns abruptly and gallops halfway back in 5.00 s

analyse its average speed for the entire trip.

Estimate its average velocity for the entire trip, using "away from the trainer" as the positive direction.

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Category:- Physics
Reference No.:- M9306743

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