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Vectors Test - ...

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    Airplanes A and B are flying with constant velocity in the same vertical plane at an angles 30° and 60° w.r.t. the horizontal, respectively as shown in the figure given below. The speed of A is 100√3 ms-1. At time t = 0s, an observer in A finds B at a distance of 500 m. This observer sees B moving with a constant velocity perpendicular to the line of motion of A. If at t = t0 , A just escapes being hit by B, t0 (in second) is

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    A particle is moving Eastwards with a velocity of 5 ms-1. In 10 s the velocity changes to 5 ms-1 Northwards. The average acceleration in this time is

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    How many minimum number of non-zero vectors in different planes can be added to give zero resultant ?

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    A person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of 0.5 m/s at an angle of 120° with the direction of flow of water. The speed of water in the stream is

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