3. A stone is thrown vertically upward at a velocity of 10 m-s-' from the top of a tower
of height 50 m. After some time the stone passes the edge of the tower and strikes
the ground below the tower. Ignore the effects of friction.
3.1 Calculate the time taken by the stone to reach its maximum height above the
ground
3.2 Calculate the maximum height the stone reaches above the tower.
3.3 Sketch the position time graph for the motion of the stone.
3.4 On its way down, the stone takes 0,1 s to pass a window of height 1,5 m, as shown
in the diagram above. Calculate the distance y, from the top of the window to the
ground
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Part a determine the magnitude of the x component of f using scalar notation. fx f x = nothing lb request answer part b determine the magnitude of the y component of f using scalar notation. fy f y = nothing lb request answer part c determine the magnitude of the z component of f using scalar notation. fz f z = nothing lb request answer provide feedback figure1 of 1a force vector acting on a ring attached to the ground is shown in the xyz space together with its x, y, and z components lying on the corresponding positive axes. the ring is located at the origin. force f is located in the first octant. f makes an angle of 60 degrees with its x component and an angle of 45 degrees with its y component. a force vector acting on a ring attached to the ground is shown in the xyz space together with its x, y, and z components lying on the corresponding positive axes. the ring is located at the origin. force f is located in the first octant. f makes an angle of 60 degrees with its x component and an angle of 45 degrees with its y component.

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

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