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BuNITS] {L} {+CM}
(+] 100 (inPuT]
Converts inches to
centimeters.
R?1.4967E13
R=
149,668,992,080.
F=34525E22
Stores R, calculates F.
Example: Coulomb's Law. Calculate the force of attraction between
an electron (charge
—1.6022 x 10 ~1% C) and an alpha particle
that are 2 angstroms apart. (An alpha particle is positively charged;
the magnitude of the charge is twice that of an electron. 1 angstrom
= 10710 m)
Keys:
8.98756 M(E] 9
1.6022
.[E][E] 19
A
]2
2 M(E](=] 10 (NPUT]
Display:
Description:
K?value
Prompts for the
constant.
A?value
Stores K, prompts for
electron's charge.
Stores A, prompts for
B?value
alpha particle's charge.
Calculates alpha
particle's charge, stores
value in B.
B=3.2844E-19
R?value
F=-1.1536E-8
Stores R (meters), cal-
culates F.
Joule's Law
The equation for Joule's
where
|
Law is:
P=I"2xR
the current (in amperes).
the power (in watts).
the resistance (in ohms).
7: The Equation Library
99
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