A 990-kg VTOL-aircraft had an initial velocity v0 = 7ˆj m/s while taking off vertically. After 5 s its velocity became (5ˆi + 9ˆj) m/s.
(a) Calculate the magnitude and direction (angle with the positive x-axis) of the force that caused this change in velocity.
(b) Draw a diagram showing the direction of the force and average acceleration within this 5 s
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Answer:
14k
Explanation:
14k is a added by 5 + 9 =14
i + j=k
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