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Question: A 0.48 kg rock is projected from the edge of the top of a building with an initial velocity of 11 m/s at an angle 49 degree above the horizontal. Due to gravity, the rock strikes the ground at a horizontal distance of 16.8 m from the base of the building. Assume the ground is level and that the side of the building is vertical. The acceleration of gravity is 9.8 M/s2.
Part A: How tall is the building?
Answer in units of m
I need help to find how tall the building.
The distance between the eyepiece and the objective lens in a certain compound microscope is 21.5 cm. What is the overall magnification of the microscope
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A wheel rotating about a fixed axis through its center has aconstant angular acceleration of 1.8 rad/s2. In acertain 5.0 s interval the wheel turns through an angle of 47.5rad. (a) What is the angular velocity of the wheelat the start of the 5.0 s ..
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