Question #166089

A particle has such a curvilinear motion that its x coordinate is defined by 𝑥 = 5𝑡 3 −105𝑡 where 𝑥 is in inches and 𝑡 is in seconds. When 𝑡 = 2 𝑠, the total acceleration is 75 𝑖𝑛/𝑠 2 . If the y component of acceleration is constant and the particle starts from rest at the origin when 𝑡 = 0, determine its total velocity when 𝑡 = 4 𝑠.

Answer: 𝒗 = 𝟏𝟖. 𝟕𝟓 𝒇𝒕/s

Expert's answer

Total acceleration ,

Velocity at t=4 sec

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