Recent content by Paul36

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    Ball Kicked at Certain angle, how long it goes and takes to touch the ground

    Homework Statement A soccer ball is kicked at an angle of 64° to the horizontal with an initial speed of 18 m/s. Assume for the moment that we can neglect air resistance. Homework Equations For how much time is the ball in the air?... Seconds (b) How far does it go (horizontal distance...
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    Calculating Work done by the Earth and the work done by the Spring

    Homework Statement A mass of 0.091 kg hangs from a vertical spring in the lab room. You pull down on the mass and throw it vertically downward. The speed of the mass just after leaving your hand is 3.80 m/s. Homework Equations (a) While the mass moves downward a distance of 0.09 m, how much...