## Question

###### 3.22 00 At t = 0 a rock is projected from ground level with a speed of 15.0 m/s and at an angle of 53.08 above the horizontal. Neglect air resistance At what two times t is the rock 5.00 m above the ground? At each of these (WO times, what are the horizontal and vertical compo- nents of the velocity of the rock? Lel Vox and Voy be in the positive x- and y-directions, respectively:

3.22 00 At t = 0 a rock is projected from ground level with a speed of 15.0 m/s and at an angle of 53.08 above the horizontal. Neglect air resistance At what two times t is the rock 5.00 m above the ground? At each of these (WO times, what are the horizontal and vertical compo- nents of the velocity of the rock? Lel Vox and Voy be in the positive x- and y-directions, respectively:

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