A person measures the height of a building by walking out a distance of 46m from its base and shinning a flashlight beam toward the top. When the beam is elevated at angle of 39° w/ respect to the horizontal the beamstrikes the top of the building.
a. if the flashlight is held at a height of 2m, find the height of the building.
A man is walking under an inclined mirror at a constant velocity Vms-1.along the X axis. If the mirror is inclined at an angle θ with the horizontal, then what is the velocity of the image?.
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