A moderate wind accelerates a pebble over a horizontal xy plane with a constant acceleration a with arrow = (4.60 m/s2)i hat + (7.00 m/s2)j. At time t = 0, the velocity is (4.3 m/s)i hat. What are magnitude and angle of its velocity when it has been displaced by 11.0 m parallel to the x axis?
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Ответ:
Explanation:
Given
Acceleration of the pebble is
At t=0, velocity is
considering horizontal motion
Velocity acquired during this time
Consider vertical motion
Net velocity is
Angle made is
Ответ: