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A pendulum is made by suspending a .1kg meter stick through a pivot locaed .3m from one end. The moment of inertia of a thin rod about the center of mass is 1/12ml^2. Find the period of small oscillatons and if a stuffed elephant of .2kg is attached at the bottom end of the pendulum. What is the period now?
A child in a boat throws a 5.20 kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.0 kg and that of the boat is 40kg.
You wish to create an image that is 15 meters from an object. This image is to be inverted and four times the height of the object. What type of image is created, real or virtual
Your friend observes an artificial satellite orbiting the earth. He estimates it is at an altitude h = 938 km above the earth's surface and has a mass m = 3500 kg. What is the period (s) of the satellite's motion
A certain transformer has 500 turns on the primary. If 10 volts are applied to the primary, what was the current in the primary
An inductor has a 53.6-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
A 2000 Hz sound wave passes through a wall with two narrow openings 30 cm apart. If sound travels on average 345 m/s, What is the angle of the first order maximum
An uncharged capacitor is connected to a 55 V battery until it is fully charged, after which it is disconnected from the battery. A slab of paraffin is then inserted between the plates.
If a current of 80.0 mA exists in a metal wire, In what direction do the electrons travel with respect to the current
The warm source of a Carnot cycle consists of a blast furnace operating at a temperature of 150C, calculate the net heat absorbed from the warm source
A 130g oscillator has a speed of 124cm/s when its displacement is 2.10cm, What is the oscillator's maximum speed
A circular loop in the plane of a paper lies in a 0.65T magnetic field pointing into the paper. What is the average induced current if the coil resistance is 2.3
an object is thrown upward to a person of a roof . at what point is the objects kinetic energy at its max? at what point is the potential energy of the system at a max
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