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OpenStudy (anonymous):
The displacement of a car is given by X(t)=a1+a2t+a3t2 Where a1=100ft,a2=-88ft/s, and a3=10ft/s2 What is car’s speed at t=2s? What is the car’s acceleration at t=10s?
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mathslover (mathslover):
OK, can you put the given values of \(a_1 , a_2, a_3\) in the equation of X(t) ?
OpenStudy (anonymous):
car's spped will be differentiate x wrt to t and double differentiate wrt t to get acceleration
mathslover (mathslover):
@maseeullah please reply.
OpenStudy (anonymous):
yes if i put then what ?
mathslover (mathslover):
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