In U.S. customary units, air pressure is measured in pounds per square inch. In the metric system, it is measured in Pascals, and one Pascal is equal to

A. one newton per square centimeter.
B. one newton per square meter.
C. one metric ton per hectare.
D. one pound per square foot.
E. None of these choices are correct


Answer: B

Physics & Space Science

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What is the mass of the particle? (e = 1.60 × 10-19 C) A) 6.64 × 10-27 kg B) 3.20 × 10-27 kg C) 1.67 × 10-27 kg D) 9.11 × 10-31 kg

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Two blocks of different mass are connected by a string. The system is accelerated across a smooth horizontal surface by a force supplied by a rubber band connected to the less massive block. The tension in the connecting string will be

A. the same as the force pulling the leading block. B. greater than the force pulling the leading block. C. less than the force pulling the leading block. D. zero.

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