Author Question: Rachel's bus leaves at 7:15 PM and accelerates at the rate of 4 meters per second ... (Read 72 times)

serike · **on:** Feb 28, 2021

Solve the problem.

Rachel's bus leaves at 7:15 PM and accelerates at the rate of 4 meters per second per second. Rachel, who can run 8 meters per second, arrives at the bus station 2 seconds after the bus has left. Find parametric equations that describe the motions of the bus and Rachel as a function of time, and simulate the motion of the bus and Rachel by simultaneously graphing these equations.

◦ Bus: x₁ = 4t², y₁ = 1;
Rachel: x₂ =

(t - 2), y₂ = 3

◦ Bus: x₁ = 2t², y₁ = 1;
Rachel: x₂ = 8(t + 2), y₂ = 3

◦ Bus: x₁ = 2t², y₁ = 1;
Rachel: x₂ = 8(t - 2), y₂ = 3

◦ Bus: x₁ = 4t², y₁ = 1;
Rachel: x₂ = 8(t - 2), y₂ = 3

kilada · **Reply #1 on:** Feb 28, 2021

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