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mechanics-physics

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A lorry of mass 1000kg moving initially at 10m/s increases to 25m/s. In 5sec the on the lorry is 15,000Newtons; calculate:
(a) Acceleration
(b) The distance covered

  • mechanics-physics -

    You left out some words here:
    "in 5 sec the on the lorry is 15,000 Newtons. "

    Is 5 seconds the time requred to accelerate from 10 to 25 m/s? If so, there are two ways to calculate acceleration, and they do not agree.

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