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A long horizontal wire carries 28.0 Amp of current due north.
1) Find the net magnetic field 25.0 centimeter due west of the wire if the Earth's field there points downward, 44 degree below the horizontal, and has magnitude 5.0 x 10^-5 T?
2) Find what is the angle of the net magnetic field?
Solid argon has a density of 1650 kg/m3. The atomic weight of argon is 40. Assuming each atom occupies a cubical volume, what is the distance between the argon atoms
A copper sphere has a radius of 2.50 m under normal room pressure of 1.0 X 10^5 N/m^2. what is the change in its volume
A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 30 MW and lasts 2.9 ns. How many photons are emitted in this pulse
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father. What are the original speeds ofthe father
In order better to map the surface features of the Moon, Calculate the satellite\'s kinetic energy, gravitational potential energy, and total orbital energy
An RLC series circuit is connected to a 120-Vrms, 60Hz line. The inductance is 0.05 H, the average current is 11A and the current leads the voltage by 45 degrees.
A 6.40 nF capacitor is initially charged by a potential difference of 1.40×103 V. find the final electric potential energy stored in the capacitor
The distant moon imaginarius has half the diameter of the earth. The free-fall acceleration on the imaginarius is a= 4 m/s^2. What is the ratio of the average mass density of imaginarius to that of earth, Q= p (imaginarius) / p (earth)?
1 a long cylindrical shell carries a uniform charge density. if there is 0.100 c per meter what is the volume charge
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 2 g coins stacked over the 11.5 cm mark, the stick is found to balance at the 44.5 cm mark. What is the mass of the meter stick?
A 125 gram mass us attached to the end of an unstressed vertical spring (of constant 49.4 N/m) and then dropped. Find what is its maximum speed
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