A modern day device that does not need to have a computer chip built into it is

A. a cell phone.
B. a blood pressure meter.
C. a hand held calculator.
D. an MP3 player.


Answer: B

Physics & Space Science

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The Almagest

a. is the book that first described the heliocentric solar system. b. is a collection of the science and mathematics of the Greeks. c. caused the author to be sentenced to house arrest. d. is a book of astrological myths and predictions produced by the Arabs. e. first described the Copernican theory.

Physics & Space Science

A 2.5-kg object falls vertically downward in a viscous medium at a constant speed of 2.5 m/s. How much work is done by the force the viscous medium exerts on the object as it falls 80 cm?

A. +2.0 J B. +20 J C. ?2.0 J D. ?20 J E. +40 J

Physics & Space Science

A beam of electrons passing through a magnetic field experiences maximum deflection if the direction of the beam is

A) parallel to the field lines. B) perpendicular to the field lines. C) none of these

Physics & Space Science

If you hold your fist at arm's length, you will see it spanning an angle of about

A) 1 arcsecond. B) 1°. C) 10°. D) 45°. E) 90°.

Physics & Space Science