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March 29, 2017

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The pilot of an airplane traveling 180km/h wants to drop supplies to flood victims isolated on a patch of land 160m below. The supplies should be dropped how many seconds before the plane is directly overhead?

  • science - ,

    h = Vo*t + 0.5g*t^2 = 160 m.
    0 + 4.9t^2 = 160
    t^2 = 32.65
    t = 5.7 s. = Time to strike ground.

  • science - ,

    THE PILOT OF AN AIRPLAINE TRAVELING WITH A HORIZONTAL SPEED OF 70 M/S TO DROP RESCUE SUPPLIES TO PHYSICS STUDENTS STRANDED ON AN ISLAND 240M BELOW. sOLVE FOR HORIZONTAL DISPLACEMENT.

  • Physics - ,

    A dart is being thrown at a board that is 2.00 m away. When it hits the board it is 0.306 m below the point where it was aimed and it was thrown at 8.00 m/s. How long was the dart in the air?

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