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PASCO ME-6569 RMS_IDS KIT User Manual

Page 30

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RMS/IDS Kit

012–06408A

26

Figure TN-3

Typical experimental results from Part B of Experiment 3 (smoothed).

collision starts

Part B—Inelastic collision of carts with unequal mass (m

1

=½m

2

)

Equations entered into the Equation Field of the Experimental Calculator:

Formulae for Momentum and Total Kinetic Energy:
• Total Momentum, Part B (Momentum2): .51*@1.linVel*.01+.96*@3.linVel*.01
• Total KE, Part B:

.5*(.51*(@1.linVel*.01)^2)+.5*(.96*(@3.linVel*.01)^2) 

Formulae for smoothing data:
• Total Momentum, smoothed (Part B):

smooth(8,Momentum2)

• Total KE, smoothed (Part B):

.5*(.51*(smooth(8,@1.linVel)*.01)^2)+.5*(.96*(smooth(8,@3.linVel)*.01)^2)

Time (s)

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

0

10

20

30

40

R

un #1

sV

e

l1

(

c

m

/s

)

0

10

20

30

40

R

un #

1

s

V

el

3 (

c

m

/s

)

0

0.

1

0

0.

20

R

u

n #1

s

M

om

e

n

tu

m

2

(

kg m

/s

0

0.

0

2

0

0.040

R

un #1

s

T

otal

K

inet

ic

E

n

e

rgy

2