Mechanics Length

Posted on Wednesday, October 15, 2008 in Construction

Mechanics Length

initial velocity and range mechanics question?

1) a shot is produced with an initial speed of 10m / s at an angle of 40 degrees above the horizontal a) A simple model assumes that the height of the release of vaccine is zero. calculate the range of the vaccine? b), in fact, if the draft is released at a height of 1.8m. What if the shot was thus thrown into a room 20 meters long and 3.5 m high?

a) R = (v ^ 2 sin 2?) / g = (100 sin 80 °) / (9.8) = 10 m. b) Maximum height, H = (v ^ 2 sin ^ 2 ?) / g = (100 sin ^ 2 40 °) / (9.8) = 4.2 m draft is released from a height of 1.8 m, or up to 6 m. But the height of the living room just 3.5 m, hit the ceiling at an angle and are reflected at the same angle and reach the land.

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