What is the x coordinate of particle

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Q1. At t=0 a particle leaves the origin with a velocity of 12 m/s in positive x direction and moves in the xy plane with a constant acceleration of (-2.0i + 4.0j)m/s^2. At the instant the y coordinate of the particle is 18m, what is the x coordinate of particle?

Q2. The minimum stopping distance for a car travelling at a speed of 30 {rm m/s} is 60 {rm m}, including the distance travelled during the driver's reaction time of 0.54 {rm s}.

Reference no: EM1314911

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