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A 156-m long piece of wire is connected to a 5.7 Volt battery. The cross-sectional area of the wire is 4.155 x 10-6 m2. The wire is made out of a material having a resistivity of 5.28 x 10-8 Ω. Obtain the magnitude of the current flowing through the wire?
(in Amperes)
A skier starts down a 26 slope. After a vertical drop of 28 m, the slope temporarily levels out and then drops at 19 an additional 39 m vertically before leveling out again. What is the skier's speed on the lower level stretch
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 80.8 m/s at ground level. What is its maximum altitude
what mass of water at 27.0 degc must be allowed to come to thermal equilibrium with a 1.59-kg cube of aluminum
Four point charges have the same magnitude of 2.53 x 10^-12 C and are fixed to the corners of a square that is 4.15 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists ..
A car with a mass of 1300.0 kilogram is traveling south at 12.0 m/s collides with a car with a mass of 1800.0 kilogram that is going west at10.0 m/s and becomes entangled. Calculate the magnitude of the impulse applied to the 1800.0 kilogram car
What is the magnitude of the electric field at the centre ofa square of side 45.00 cm if one corner is occupied by a chargeQ1 = 20.00 uC and the other three corners areoccupied by three charges each of charge Q2=-20.00 uC.
In designing a transformer, an engineer knows she needs 240 V to come out of the secondary circuit. what is the ratio of primary voltage to primary turns
A diver shines a flashlight upward from beneath the water ata 38.0^\circ angle to the vertical. At what angle does the light leave the water?
One hundred turns of insulated copper wire are wrapped around an iron core of cross-sectional area 0.100 m2. The circuit is completed by connecting the coil to a 10-ohms resistor. As the magnetic field along the coil axis changes from 1.00 T to 4...
a child throws a penny off of the eiffel tower h 324m with a downward velocity of magnitude v0 13 ms. find the speed
Four point charges have the same magnitude 2.2*10 -12 and arefixed to the corners of the square that is 4.3 cm on a side. Determine the magnitude of the electric field that exists at the center of the square
a horizontal rifle is fired at a bulls-eye. the muzzle speed of the bullet is 670 ms. the gun is pointed directly at
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