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A cylindrical solenoid 40cm long with a radius of 5 mm has 300 tightly wound turns uniformly distributed along its length. Around the middle of the solenoid is a two-turn rectangular loop 3 cm by 2 cm made of resistive wire having a resistance of 150 ohms. One microsecond after connecting the loose wire to the battery to form a series circuit with the battery and a 20-ohm resistor, what is the magnitude of the current in the rectangular loop and its direction (clockwise or counterclockwise in the diagram) ?
A person's eyeball has a diameter D (measured from lens to retina). find Where is this person's near point and far point
Point charges of -8.20 micro Coulombs are placed at each corner of a square that is 0.250m on a side. Find the electric potential at the center of a square
A pendulum of length 1.5 m swings back and forth in a friction free laboratory environment. The pendulum is 1.4 m above the floor at the high point of its swing and 1.3 m above the floor at the low point.
A metal ball bearing 1.0 cm above the bead feels a 0.035 N downward electric force, What is the charge on the ball bearing
A solid sphere of mass 4.0kg and radius of 0.12m is at rest at the top of a ramp inclined 15degrees. It rolls to the bottom without slipping. What is the liner speed of the sphere
A standing wave on a 77.4cm long string has three antinodes. If the string has linear mass density 3.92×10?5kg/m and tension 10.1N , what are the wave's frequency
The Golden Gate Bridge in San Francisco has a main span of length 1.28 km, one of the longest in the world. At what temperature would the wire reach its elastic limit
4 moles of an ideal gas have an initial temperature of 127 C. The temperature of the gas is kept constant and the volume is increases until the pressure drops to 40.0% of its original value. Calculate the heat added to the gas
An air-filled toroidal solenoid has a mean radius of 15.5cm and a cross-sectional area of 4.95cm2, How many turns does the winding have
a drawbridge with a weight of 5000 n is supported by a hinge and rope and is in static equilibrium. the length of the drawbridge, l, is 5 meters, what is the tension force the rope provides
A 1125 kg car and a 2250-kg pickup truck approach a curve on the express way that has a radius of 225 m. (a) At what angle should the highway engineer bank this curve so that vehicles traveling at 95 km/h can safely round it? (b) As car and truck ..
An astronaut stands on the steps of her spaceship that is resting on the surface of planet x and drops a rock from a height of 4.5 metres. The rock hits the surface in 0.83 s. Determine the magnitude of the acceleration due to gravity on the surfa..
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