A boy in a wagon starts from a rest position and then goes down a straight...
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A boy in a wagon starts from a rest position and then goes down a straight ramp, gaining speed with uniform acceleration as he travels. In 6.00 s, he is travelling at 4.2 m/s. a) What is his velocity at 10.0 s? (2 marks) b) How long will it take him to reach a speed of 28.0 m/s? (2 marks) A boy in a wagon starts from a rest position and then goes down a straight ramp, gaining speed with uniform acceleration as he travels. In 6.00 s, he is travelling at 4.2 m/s. a) What is his velocity at 10.0 s? (2 marks) b) How long will it take him to reach a speed of 28.0 m/s? (2 marks)
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