An idealized p (1) graph for a programmable fan cart on a low-friction surface is shown below. (What makes this graph an idealization are the nearly instantaneous changes in the slope.) The fan on the cart can be pre-programmed for the fan to turn on or off, change speed, or change direction at given time intervals. This allows one to control the force on the fan cart programmatically. The mass of the fan cart is 0.8 kg.

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Chapter1: Units, Trigonometry. And Vectors
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An idealized px (t) graph for a programmable fan cart on a low-friction surface is shown below. (What makes this graph an idealization
are the nearly instantaneous changes in the slope.) The fan on the cart can be pre-programmed for the fan to turn on or off, change
speed, or change direction at given time intervals. This allows one to control the force on the fan cart programmatically. The mass of
the fan cart is 0.8 kg.
Px (kg m/s)
2.0
1.5
1.0-
0.5
0.0
-0.5-
-1.0
-1.5
-2.0+
0
px(t) for a programmable fan cart
A
2
4
6
8
10
Transcribed Image Text:An idealized px (t) graph for a programmable fan cart on a low-friction surface is shown below. (What makes this graph an idealization are the nearly instantaneous changes in the slope.) The fan on the cart can be pre-programmed for the fan to turn on or off, change speed, or change direction at given time intervals. This allows one to control the force on the fan cart programmatically. The mass of the fan cart is 0.8 kg. Px (kg m/s) 2.0 1.5 1.0- 0.5 0.0 -0.5- -1.0 -1.5 -2.0+ 0 px(t) for a programmable fan cart A 2 4 6 8 10
Att = 1.5s, what is the speed of the cart and in what direction is it moving?
|vx| =
Wint
i
!
m/s
to the right
Transcribed Image Text:Att = 1.5s, what is the speed of the cart and in what direction is it moving? |vx| = Wint i ! m/s to the right
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