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1) The rigid object shown is rotated about an axis perpendicular to the paper and through point P. The total kinetic energy of the object as it rotates is equal to 1.4 j. If M = 1.3 kg and L = 0.50 m. Neglect the mass of the connecting rods and treat the masses as particles
a) What is the angular velocity of the object?
b) What is the angular momentum of the object?
Two capacitors are connected to a battery. The battery voltage is V = 50 V, and the capacitances are C1 = 2.00 µF and C2 = 4.00 µF. Determine the total energy stored by the two capacitors when they are wired (a) in parallel and (b) in series.
A 722 kg car stopped at an intersection is rear-ended by a1620 kg truck moving w/ a speed of 14.5 m/s. What is the speed of the wreck immediately after the collision
A ballplayer standing at home plate hits a baseball that is caught by another player at the same height above the ground from which it was hit. How high will the ball rise
A section of copper paneling is constructed with an area of 0.85 m^2 and a thickness of 0.04 inches. If the copper paneling is initially lying on the ground and the ground is at a temperature of 4 oC and the Air is at 21.11 oC how much energy is co..
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. Determine the ratio of the energy used by the blow-dryer in 17 minutes to the energy used by the vacuum cleaner in 46 minutes
A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0044 cm, By how many Celsius degrees should the rod be cooled
A ball has a diameter of 3.89 cm and average density of 0.0844 g/cm3. What force is required to hold it completely submerged under water
Imagine that you are in your home on a summer day. The AC is running and your room is 70 degree F, the humidity is low and you are very comfortable. Is it all in your mind
calculate the energy released by the alpha decay of 222Rn, calculate the range of the alpha particle in water
q1. a particle with a charge of q -5.50 nc is moving in a uniform magnetic field of vecb -1.28 t hatz. the magnetic
suppose that visible light enters a Plexiglas cube containing water at a 20o angle of incidence, travels through the water and exits the cube.
A 50 kg crate slides down a 6 m ramp inclined at an angle of 35 degrees to the horizontal. A worker pushes on the crate parallel to the ramp so that it slides down with a constant velocity. If the coefficient of kinetic friction is .33
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