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Some rental cars have a GPS unit installed, which allows the rental car company to check where you are at all times and thus al...Asked by himel
Same rental cars have a GPS unit installed, which allows the rental car company to check where you are at all times and thus also know your speed at any time. One of these rental cars is driven by an employee in the company's lot and during the time interval from 0 to 10s, is found to have a position vector as a function of time of
r→(t) =( (24.4m)-t(12.3m/s)+t²(2.43m/s²),
(74.4m+t²(1.80m/s²)-t³(0.130m/s³) )
a) what is the distance of this car from the origin of the coordinate system at t=5.00s?
b) what is the velocity vector as a function of time?
c) what is the speed at t=5.00s?
Extra credit: Can you produce a plot of the trajectory of the car in the xy-plane?
r→(t) =( (24.4m)-t(12.3m/s)+t²(2.43m/s²),
(74.4m+t²(1.80m/s²)-t³(0.130m/s³) )
a) what is the distance of this car from the origin of the coordinate system at t=5.00s?
b) what is the velocity vector as a function of time?
c) what is the speed at t=5.00s?
Extra credit: Can you produce a plot of the trajectory of the car in the xy-plane?
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himel
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