Kinetic Energy - HP -22S Owner's Manual

Kinetic Energy
The following equation calculates the kinetic energy of an object:
where E
=
M=
V=
E=.5xMxV"2
the kinetic energy of the object.
the mass of the object.
the velocity of the object.
Example.
Part 1:
Calculate the kinetic energy of a 5-gram object
moving with a speed of 450 meters per second.
Keys: Display:
Description:
I
EVALI M?value
Prompts for M.
5
[±J 1 00Q /
l1NPUT
I V?value
Stores M (kg), prompts
{
for V.
450
I
INPUT
I
E=5a6.25aa
Stores V, calculates E
(joules).
Part 2:
What is the mass of an object having the same kinetic energy,
but a velocity of 300 meters per second?
.1
SOLVE I {M} E?5a6.25aa
Selects M, prompts for
E.
I
INPUT
I
V?45a.aaaa
Retains E, prompts for
V.
300
I
INPUT
I
M=a.a113
Stores V, calculates M
(kg).
010000 11.251313
Calculates grams.
7: The Equation Library 97