Spanish Fork

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Bob is roller-skating at a speed of 1.5 m/s relative to the ground. He tossed a small ball forward. The ball moves at a speed of 1 m/s relative to Bob. What is the speed of the ball relative to the ground?

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    If you really want an expert to help you, be sure to follow directions and type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.

  • Spanish Fork -

    Subject: Physics
    Velocity-addition formula gives
    v= 1.5 +1 = 2.5 m/s

  • Spanish Fork -

    Elena is right but, why to make a physics question in the foreign language subject?

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