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Question: A cube of Al, 2 cm on each side, is heated from 21 ?C to 37 ?C. By how much does its volume change?
You walk at an angle of θ=50.0* toward a planemirror. Your walking velocity has a magnitude of 0.90m/s. What is the velocity of your image relative to you(magnitude and direction)? What equation should I use to figure this problem out?
why to Assume charge 1 is located at the origin of x axis. A ball is thrown directly downward with an initial speed of 8.70 m/s, from a height of 30.6 m. After what time interval does it strike the ground.
Access the "USGS Hazards" website under the Natural Hazards terms section of the Science Corner. You can also access the website at http://www.usgs.gov/natural_hazards/. Choose one (1) of the following geologic hazards: earthquake, landslide, or f..
A cylindrical hoop and a spherical shell both roll without slipping and both have identical masses (6 kg) and identical radii (0.2 m). What is the velocity of each at the bottom of the hill
An 82.5 kg fullback moving east with aspeed of 5.4 m/s is tackled by a87.0 kg opponent running west at3.28 m/s, and the collision is perfectly inelastic. Calculate the decrease in kinetic energy during the collision.
Young David who slew Goliath experimented with slings before tackling the giant. He found that he could revolve a sling of length 0.600 meter at the rate of 9.00 rev/s. Determine the speed of the stone for each rate of rotation
You have a 1.8m long copper wire. You want to make an N-turn current loop that generates a 2.0mT magnetic field at the center when the current is 1.3A. What will be the diameter of your coil
The output voltage of a 87 Watt transformer is 14 Volt, and the input current is 24 Amp. Assume 100 percent efficiency. Find by what factor is the voltage multiplied
The long straight wire carries a current of 3.0 A. A particle has a charge of +6.5x10-6 C and is moving parallel to the wire at a distance of 0.050 m. The speed of the particle is 280 m/s. Determine the magnitude and direction of the magnetic force o..
Light is emitted from an ordinary lightbulb filament in wave-trainbursts about 10^{ - 8} {\rm{s}} in duration. What is the length in space of such wave trains?
A concave shaving mirror has a radius of curvature of 44 centimeter. Compute how far is the mirror from the face
The surface temperature of the start Betelgeuse is 3500K. Assume Betelgeuse radiates as a perfect blackbody. what is the energy of each of these photons
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