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Thread: Simple physics problem

  1. #1 Simple physics problem 
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    1. If a plane is moving a speed of 200 mile per hour, and then wind is moving at 50 miles per hour in the same direction, what is the actual speed that the plane is moving in?

    2. If a boat is being rowed at a speed of 20 miles per hour, and the river is also flowing at 20 miles per hour in the same direction, what is the actual speed that the boat is moving in?
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  2. #2  
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    Quote Originally Posted by oahz View Post
    1. If a plane is moving a speed of 200 mile per hour, and then wind is moving at 50 miles per hour in the same direction, what is the actual speed that the plane is moving in?

    2. If a boat is being rowed at a speed of 20 miles per hour, and the river is also flowing at 20 miles per hour in the same direction, what is the actual speed that the boat is moving in?
    They're so simple, in fact, that you should be able to do your own homework, yes?
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  3. #3  
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    Quote Originally Posted by oahz View Post
    1. If a plane is moving a speed of 200 mile per hour
    Speed relative to what?

    Quote Originally Posted by oahz View Post
    and then wind is moving at 50 miles per hour in the same direction
    Moving relative to what?

    Quote Originally Posted by oahz View Post
    what is the actual speed that the plane is moving in?
    Speed relative to what?

    Quote Originally Posted by oahz View Post
    2. If a boat is being rowed at a speed of 20 miles per hour
    Speed relative to what?

    Quote Originally Posted by oahz View Post
    and the river is also flowing at 20 miles per hour in the same direction
    Flowing relative to what?

    Quote Originally Posted by oahz View Post
    what is the actual speed that the boat is moving in?
    Speed relative to what?
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