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Question: A 0.540 m long solenoid is formed by wrapping 790 turns of wire around a hollow cylinder with a radius of 0.270 m.
Part A: At the instant when the magnetic field in the interior is 0.890 T, calculate the energy stored in the field.
Show work or points will not be awarded.
Which of the following statements are true about nuclear decays and radioactivity?
Suppose a satellite is in a circular orbit 3.0 Earth radii above the surface of the Earth (3.0 Earth radii from the center of the Earth). By how much does it have to increase its speed in order to be able to escape Earth?
A firm has net income for the year of $32,600. at the beginning of the year, the firm had common stock of $88,000, find the amount of the net new equity raised during the year
A small coil has a cross section of 4.5 cm2 and consists of 14 turns of wire. If the loop carries a current of 100 mA, what is the torque required to hold the loop
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An 18.0g arrow is fired into a 3.00kg pumpkin suspended on a string. Calculate the velocity of the arrow just before it enters the pumpkin
a 40.0 cm -diameter cylinder of helium gas is 50.0cm long and at 30.0 c. the pressure gauge reads 120 psi. how many
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A solid conducting sphere (radius=.05) has a charge of 0.25nC distributed uniformly on its surface. If point A is located at the center of the sphere and point B is 15cm from the center, what is the magnitude of the electric potential difference bet..
Must show all work!!! A block of mass m =.5kg is pushed against a wall with a force p = 4n orientated at an angle of 50 degrees. find the coefficient of static friction between the block and the wall
A series circuit consists of an ac source of variable frequency, a 115 ohm resistor, a 1.25 microfarad capacitor, Find the impedance of this circuit when the angular frequency of the ac source is adjusted to the resonance angular frequency
A person travels by car from one city to another. She drives for 35.8 minute at 79.4 km/h, 10.7 minute at 109 km/h, 41.1 minute at 37 km/h, Evaluate what the average speed for the trip
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