Chapter 1: Introduction
MCAT Study Guide




1.  

Kinetic energy is given by the formula KE = 1/2 mv2, where m is the mass and v is the velocity. The derived SI unit of energy is the joule, J, which is equivalent to which combination of basic units?

kg m2/s2
g cm2/s2
g m2/s2
kg m/s2


2.  

If 1 inch is equal to 2.5 cm, approximately how many inches are in 1000 kilometers?

2.5 x 104 in
4 x 104 in
2.5 x 107 in
4 x 107 in


3.  

A marathon race is about 26 miles long. What is the length in kilometers? (1 km = 0.623 mi.)

0.024 km
16 m
42 km
52 km


4.  

If a man is 6 foot 4 inches tall, what is his approximate height in centimeters? (1 in. = 2.54 cm)

230 cm
190 cm
150 cm
120 cm


5.  

The terminal velocity of a drop of water falling through the atmosphere is v = (2/9) (r2 g p/n) where v is the velocity of the drop in m/s; r is the radius of the drop in m; g is the acceleration of gravity in m/s2 and p is the density of water in kg/m3. What must be the units of n, the coefficient of viscosity of the air through which the drop falls?

kg m/s
m s/kg
kg s2/m
kg/m s


Bosworth et al, ARCO MCAT SuperCourse (MacMillan, 1997). Copyright 1997, 1996, 1994, 1991 by Stefan Bosworth, Ronald Drucker, Edgar Schnebel, Denise Garlan, Rosie Soy and Marion Brisk. Used by permission of MacMillan, Inc.

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The Virtual Prof's Physics Study Guide for the MCAT. Copyright 1997 by Glen Terrell and RonJon Publishing, Inc. Used by permission of Glen Terrell. For more information, go to http://www.virtualprof.com.


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