You are designing a slide for a water park. In a sitting position, park guests slide a vertical distance h down the water-slide, which has negligible friction. When they reach the bottom of the slide, they grab a handle at the bottom end of a 6.00-m-long uniform pole. The pole hangs vertically, initially at rest. The upper end of the pole is pivoted about a stationary, frictionless axle. The pole with a person hanging on the end swings up through an angle of 72.0°, and then the person lets go of the pole and drops into a pool of water. Treat the person as a point mass. The pole’s moment of inertia is given by I = 1 3 M L 2 , where L = 6.00 m is the length of the pole and M = 24.0 kg is its mass. For a person of mass 70.0 kg. what must be the height h in order for the pole to have a maximum angle of swing of 72.0° after the collision?
You are designing a slide for a water park. In a sitting position, park guests slide a vertical distance h down the water-slide, which has negligible friction. When they reach the bottom of the slide, they grab a handle at the bottom end of a 6.00-m-long uniform pole. The pole hangs vertically, initially at rest. The upper end of the pole is pivoted about a stationary, frictionless axle. The pole with a person hanging on the end swings up through an angle of 72.0°, and then the person lets go of the pole and drops into a pool of water. Treat the person as a point mass. The pole’s moment of inertia is given by I = 1 3 M L 2 , where L = 6.00 m is the length of the pole and M = 24.0 kg is its mass. For a person of mass 70.0 kg. what must be the height h in order for the pole to have a maximum angle of swing of 72.0° after the collision?
You are designing a slide for a water park. In a sitting position, park guests slide a vertical distance h down the water-slide, which has negligible friction. When they reach the bottom of the slide, they grab a handle at the bottom end of a 6.00-m-long uniform pole. The pole hangs vertically, initially at rest. The upper end of the pole is pivoted about a stationary, frictionless axle. The pole with a person hanging on the end swings up through an angle of 72.0°, and then the person lets go of the pole and drops into a pool of water. Treat the person as a point mass. The pole’s moment of inertia is given by
I
=
1
3
M
L
2
, where L = 6.00 m is the length of the pole and M = 24.0 kg is its mass. For a person of mass 70.0 kg. what must be the height h in order for the pole to have a maximum angle of swing of 72.0° after the collision?
a small 0.171 kg block slides down a frictionless surface through height h = 0.893 m and then sticks to a uniform vertical rod of mass M = 0.342 kg and length d = 2.12 m. The rod pivots about point O through angle θ before momentarily stopping. Find θ.
A thin laminate limited by = √x, x = 4 y = 0,. The density of the sheet is p (x, y) = x + y.
Find
a. The mass of the sheet
b. Mx
c. My
d. Center of the mass (x,y)
e. the moment of inertia above x (Ix)
f. the moment of inertia above y (Iy)
g. radius of gyration with respect to the "x" axis and radius of gyration with respect to the "y" axis
In the figure, a constant horizontal force F→app of magnitude 75.4 N is applied to a uniform solid cylinder by fishing line wrapped around the cylinder. The mass of the cylinder is 19.6 kg, its radius is 0.872 m, and the cylinder rolls smoothly on the horizontal surface. (a) What is the magnitude of the acceleration of the center of mass of the cylinder? (b) What is the magnitude of the angular acceleration of the cylinder about the center of mass? (c) In unit-vector notation, what is the frictional force acting on the cylinder?
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