A particle leaves the origin with a velocity of 7.2 m/s in the positive y direction and moves in the xy plane with a constant acceleration of (3.0 $\hat{\mathbf{i}}$ - 2.0 $\hat{\mathbf{j}}$ ) m/s2. At the instant the particle moves back across the x axis (y = 0), what is the value of its x coordinate?
A)65 m
B)91 m
C)54 m
D)78 m
E)86 m

Question

Quizplus · Accepted Answer

The Answer of A particle leaves the origin with a velocity of 7.2 m/s in the positive y direction and moves in the xy plane with a constant acceleration of (3.0 $\hat{\mathbf{i}}$ - 2.0 $\hat{\mathbf{j}}$ ) m/s2. At the instant the particle moves back across the x axis (y = 0), what is the value of its x coordinate?
A)65 m
B)91 m
C)54 m
D)78 m
E)86 m

A Particle Leaves the Origin with a Velocity of 7 i^\hat{\mathbf{i}}i^

A Particle Leaves the Origin with a Velocity of 7 $\hat{\mathbf{i}}$