A force acting on a mass 5kg over an interval of time isdescribed by the equatio
ID: 1723350 • Letter: A
Question
A force acting on a mass 5kg over an interval of time isdescribed by the equation F(t) = 7t3 - 2t +4 where F isnewtons and t in seconds. the mass is at rest at t = 0 a) find the change in momentum of the mass for the interval t= 0 to t = 5 b) determine the speed of mass at the end of 5 seconds in parta) c) what is the instataneous acceleration at t = 5 A force acting on a mass 5kg over an interval of time isdescribed by the equation F(t) = 7t3 - 2t +4 where F isnewtons and t in seconds. the mass is at rest at t = 0 a) find the change in momentum of the mass for the interval t= 0 to t = 5 b) determine the speed of mass at the end of 5 seconds in parta) c) what is the instataneous acceleration at t = 5Explanation / Answer
for part a), i keep getting 1088.9 out of the calculator and not870. dont know what's wrong.
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