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Pllllllz help me ineed to hand it today

  1. Sep 14, 2008 #1
    plz help how can i solve these qustion i should send it to the prof today

    1)a ball was thrown horizontally with an initial velocity of 20 m/s from the edge of a building of a certain high. the ball lands at a horizontal distance of 82.0m from the base of the building. What is the height of the building?





    2)a bullet is fired from ground level with a speed of 150 m\s at an angle 30 degrees above the horizontal at a location where g=10.0m/ss. what is the vertical component of its velocity when it is at the highest point of it trajectory




    3)a person throws a ball horizontally from the top of a building that is 40m high. the initial velocity of the ball is 100 m/s. what is the horizontal distance that the ball travels before hitting the ground.?



    4)in a relay race, a runner A is carrying the baton and has a speed of 3.40m/s. when he is 25.0 m behind the starting line, runner B starts from rest to accelerate at 0.140 m/ss. how long afterwards will A catch up with B to pass the baton to B?

    5)a boy jumps at a speed of 20 m/s at an angle of 25.0 degrees above horizontal. what is the horizontal component of the boys velocity.?
     
    Last edited by a moderator: Sep 14, 2008
  2. jcsd
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