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1. A uniform meter stick swings about a pivot point which is a distance x = 27.4 cm from the end of the stick. What is its period of oscillation?
2. The piston in the cylinder head of a locomotive has a stroke (twice the amplitude) of 0.66 m. If the piston moves with simple harmonic motion with an angular frequency of 180 rev/min, what is its maximum speed?
For a travelling wave in a string under trnsion, describe the kinds of energy present as the waves moves during the string. Also explain the variations in the energy density present in the travelling wave for a one wavelength amount of the travelling..
A fireman 52 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 32° above the horizontal.
a laser beam passes through a converging lens with a focal length of 19cm... at what distance past the lens has the
A small 13.0-g bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. What is the angular speed of the bar when the insect leaps off
A parallel-plate capacitor is made of two flat metal plates pressed against a thin slab of dielectric material. The capacitor is connected to a power supply, and a potential difference of 80 V is applied to the plates. With the power supply discon..
The space shuttle releases a satellite into a circular orbit 765 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs?
A light, rigid rod is 59 centimeter long. Its top end is pivoted on a frictionless horizontal axle. Find what minimum speed at the bottom is required to make the ball go over the top of the circle
A block is resting on a track. The coefficient of static friction between the block and the track is k. You are slowly lifting one end of the track until the block starts sliding. What is the angle between the track and the ground when it happens? In..
Ladder 6.55 m long leans against the side of a building. If the ladder is inclined at an angle of 65.5° to the horizontal, what is the horizontal distance from the bottom of ladder to the building.
A beam of green light wavelength of 4000 A passed through a grating of 3000 lines / cm. Determine the maximum diffraction what level that can still be seen clearly?
An airplane has an air speed of 125 mph and an apparent heading due south (the nose of the plane is pointed south). Find the ground speed of the airplane and its heading relative to the earth
A block of mass 2.89 kg is pushed 2.20 m along a frictionless horizontal table by a constant 13.0 N force directed 23.0° below the horizontal. calculate the normal force exerted by the table
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