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A pendulum swings back and forth a total distance of 25 cm. In 15s, it will complete a total of eight full swings.
a) Calculate its frequency.
b) Calculate its period.
c) State the type of vibration the pendulum produces
A power line carrying 275 A current in a straight southward direction is 23 m above the ground. What is the magnitude and direction of the magnetic field caused by the current, at ground level directly below the wire
a particle of rest mass mo with kinetic energy 15moc2 makes a perfectly inelastic collision with an identical particle
At 20.0°C, a mainly silicon resistor has a resistance of335 Ω, and a tungsten resistor has aresistance of 752 Ω. At this temperature, the siliconresistor has a temperature coefficient of resistivity of−0.070°C−1 and the tungsten resistor has acoef..
If the electric flux through a circular area is 5.0 Nm 2/C, what is the electric flux during a circle of double the diameter assuming the orientations of the circles are the same and the electric field is uniform?
A transmission line is used to send power over a distance of 4.0 kilometer through a copper power line of 1.0Ω/km. Find how much power is lost in the transmission line
A shower head has 30 circular openings, each with radius 1.0 mm. The shower head is connected to a pipe with radius 0.80 cm. If the speed of water in the pipe is 2.2 m/s, what is its speed as it exits the shower-head openings?
If the velocity of your spaceship goes from 0.3c to 0.6c, then compute how much will your mass increases
the electron-volt ev is a unit of energy 1ev 1.602 middot10-19 j 1 mev 1.602 middot10-13 j.since the unit of momentum
A car rounds a circle of radius 150m, going at 11.5 m/s. What's the car's acceleration if its speed is constant
A 3-kg mass has an acceleration of (4.0i - 3.0j )m/s^2. Onlytwo forces act on the mass. If one of the forces is ( 2.0i - 1.4j)N, what is the magnitude of the the other force ? Two blocks are accelerated across a horizontal frictionless surface . F..
a 4.0-oc charge is situated at the origin of an xy-coordinate system. what is the potential difference between a point
A man of mass 45 kg. is standing on a uniform rolling board of length 10 m. and mass (mb = 30 kg). how far does the board retreat
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