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How much current flows through a lamp with a resistance of 6 ? when the voltage across the lamp is 12 V
a lightning bolt with 20000a of current in a circular cross section of radius 5mm strikes the ground 1m from where you
A metal ball with a mass of 3.81·10-6kg and a charge of +5.21 mC has a kinetic energy of 4.77·108J. how close will it come to the plane before stopping
An ac generator with a frequency of 1.34 kHz and an rms voltage of 25.2V is connected in series with a 2.10kohm resistor and a 305mH inductor. What is the average power consumed by this circuit
A skier is initially stationary, but then accelerates at2.4 m/s2 down a hill that isinclined 23° below the horizontal. How far horizontally and vertically has the skier traveled in6 s?
An archer shoots an arrow with a velocity of 45.0 m/s at an angle of 50.0° with the horizontal. An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the least initial speed necessary to m..
Write the equation for the thermal fission of U235 where the two fission products released have mass numbers 95 and 138 (3 neutrons are produced). Calculate the energy release associated with this fission reaction using the mass defect method.
In a primary coil the current is initially 3.4 A. After a time of 0.14s, the current will change to 1.6A. What is the mutual inductance of the coils
Given two masses, m1 = 18 kg and m2 =12 kg, m1 is moving with avelocity v1 colliding with m2, which is suspended by a string of length 7 m. The two masses are stuck together as the result of thecollision. The compound system swings to the right, p..
a 20000kg- railroad freight car collides with a stationary caboose car. they couple together and 11 percent of the
A 285-kg stunt boat is driven on the surface of a lake at aconstant speed of 13.5 m/s toward a ramp, which is angled at27.1° above the horizontal. The coefficient of friction between the boat bottom and the ramp'ssurface is 0.150, and the raised e..
For a Nd:YAG laser there are four pump levels located at 1.00 eV, 1.24 eV, 2.40 eV, and 2.54 eV. What is shortest possible pump wavelength (in nanometers) that could be used to populate any of the excited energy levels
Two railroad cars, each og mass 6500-kg and traveling 95 km/h,collide head-on and come to rest. How much thermal engery is produced on the collision
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