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remaan
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Homework Statement
A 2000 kg truck traveling at a speed of 6 m/s makes a 90 turn in a time of 4 s and emerges from this turn with a speed of 4 m/s. What is the magnitude of the average resultant force in KN on the truck during this turn?
Homework Equations
F avr. = Pf - Pi / t
The Attempt at a Solution
Pf = m Vf = 2000 * 4 = 8000
Pi = m Vi = 2000 * 6 = 12000
Pf - Pi = - 4000 and F avr. in KN = -1
Is that Right ?
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