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A stick of mass 9.5 kilogram and length 3.3 meter is pinned at its center but is free to rotate (the moment of inertia of only the stick about its center equals 1/12mL2). A mass of 4.2 kilogram is attached to one end of the stick. If you hold up the end with the mass above the horizontal therefore that the stick makes an angle θ = 20.4o with the vertical, Find the angular acceleration of the stick right after you let it go from that angle?
Standing on the ground 2.7 m from the wall of a building, At what speed should you throw the package so it just barely reaches the window
The anomalous Zeeman effect is studied in an advanced student laboratory. A spectral lamp is filled with the vapor of an unknown atom. What is the energy difference between the levels
A small rock with mass 0.200 kg is fastened to a massless string with length 0.750 m to form a pendulum. What is tension in the string at the lowest point
A spring is hung from the ceiling. A 0.400kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
An electron of mass 9.11E-31 kg has an initial speed of 3E5 m/sec. It travels in a straight line and its speed increases to 7E5 m/sec in a distance of 5.0 cm. What is the force on the electron
A solid metal sphere of radius a = 1.30 cm is surrounded by a concentric spherical metal shell of inner radius b = 1.90 cm and outer radius c = 2.40 cm. What is the surface charge density, sc, on the outer surface of the outer spherical conductor
0.5 kg mass is exhibiting Counter clockwise UCM on level fric. free table top at the end ofthe string whihc is held in place below a small fric. free holethru which string has been threaded.
The siren on an ambulance is emitting a sound whose frequency is 2650 Hz. The speed of sound is 343 m/s. find the wavelength and frequency of the sound you hear
A person walks into a room and switches on the ceiling fan. The fan accelerates with constant angular acceleration for 15 s until it reaches its operating angular speed of 1.0 rotations/s after that its speed remains constant as long as the switch..
Your grandfather clock's pendulum has a length of 0.9939 m, how should you adjust the length of the pendulum
A fruit fly 2.16 mm long is examined with a simple magnifier. What is the focal length of the magnifier
A light bulb has a resistance of 280 ?. It is connected to a standard wall socket (120 V rms, 60.0 Hz).Determine the current in the bulb
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