# Q] Choose one option and explain how it is correct1) Which of the following is a vector?a) The height of a boy is 92 cm.b) The radius of the earth is approximately 4000 km. c) Height of tree is 5 md) The office of GBSTA is 50 m to the west of Malad Station. 2) When a ball strikes stump on what factor does the intensity of the strike depend?a) Only on the mass of the ball. b) Only on the velocity of the ball.c) Both on the mass and velocity of the ball. d) On the mass of the stumps.3) Which of the following is not the illustration of negative acceleration?a) A ball hit by a batsman stops on the boundary. b) A stone thrown upwards in the sky.c) A fruit falling from the tree. d) A train arriving at the station

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by jafiya

2014-09-01T10:05:20+05:30

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1. some thing is a vector if it follows law of vector addition (parallelogram
law of vectors)

a)  Height  -  No  because  height of one person + height of another person = not
equal to height a third person. it does not make sense.  magnitude specified in
question. direction is not given.