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75.0 Meters of a wire has a mass of 0.400 kg. A 3.50 m long portion of this wire is stretched among two supports. Compute the tension in the wire if his speed of waves in the wire is 15.0 m/s
question1a blue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.6
A positron moving in the positive x-direction at 2 * 10^8 m/s collides with an electron at rest. The positron and electron annihilate, producing two gamma-ray photons. Photon 1 travels in the positive x-direction and photon 2 travels in the negative ..
q1. kelli weighs 417 n and she is sitting on a playground swing that hangs 0.44 m above the ground. her mom pulls the
question1a ferryboat transports tourists among three islands. it sails from the first island to the second island 5.98
A cube of ice is taken from the freezer at -9.5°C and placed in a 105 g aluminum calorimeter filled with 323 g of water at room temperature of 20°C. What was the mass of the ice cube
A bucket of water is whirled in a vertical circle of radius 90cm,What is the least speed that will keep the water from falling out.
Two stars are 8 light years from earth. The 550nm light from the 2 stars are barely distinguished in the diffraction pattern of 90 cm wide single slit
Disturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a speed bump (called the "Holly hump") and had it installed. Suppose a 1 800-kg car passes over a hump in a roadway that follows the arc of a circle of rad..
A potential difference of 12 V is placed across the ends of a wire of resistance 2.625times10-3 Ohm. If the density of electrons in the wire is 6times1028 electrons/m3 and the cross sectional area of the wire is 2times10-5 m2, what is the drift veloc..
At one point in a pipeline, water's speed is 3.30 m/s and the gauge pressure is 4.00×10^4 Pa. Find out the gauge pressure at a second point in the line 13.0 m lower than the first if the pipe diameter at the second point is twice that at the first.
A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x=60 m/s and v0y=175 m/s, What is the magnitude of the velocity of the projectile 21.0s after it is fired
During a solar eclipse, the Earth, Moon, and Sun all lie on the same line, with the Moon between the Sun and the Earth. Find what force is exerted on the Moon by the Sun
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