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Two long straight parallel wires are 12cm apart. Wire A carries 1.5A current. Wire B's current is 4.0A in the same direction.
A) Determine the force on wire A due to wire B, and the force on wire B due to wire A.
How much energy is emitted by the blackbody, How much energy is emitted by the blackbody at all wavelengths in one hour
A ship sets out to sail to the point 158 km due north. An unexpected storm blows the ship to a point 134 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive an..
A certain freely falling object requires 1.55 s to travel the last 36m before it hits the ground. From what height above the ground did it fall.
A small sphere with mass 2.60g hangs by a thread between two large parallel vertical plates 5.00cm apart. The plates are insulating and have uniform surface charge densities and . The charge on the sphere is = 8.70×10?6C . What potential differenc..
Jack and Jill exercise in a 25.0-m-long swimming pool. Jack swims nine lengths of the pool in 159.5 seconds, while Jill, the faster swimmer, covers ten lengths in the same time interval. Find the average velocity and average speed of each swimmer.
A 25 kg child on a 2.0 m swing is released from rest when the swing supports make the angle of 30.0 degrees with the vertical.
A dockworker applies a constant horizontal force of 79.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 15m in a time 4.50s. What is the mass.
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 2100 V/m, Calculate the radius r of the path for a singly charged ion with mass m = 2.29 10-26 kg
how to Calculate the acceleration of the system. Assume the magnitude of the acceleration is the same during starting and stopping.
A 320 kg rocket sled can be accelerated at a constant rate from rest to 1400 km/h in 2.0 s. What is the magnitude of the necessary net force.
A mass M of 1.19 kg is attached to the end of a string whose length is 0.650 m. The mass slides without friction on a horizontal surface as indicated. If the string can withstand a maximum tension of 55.5 N, what is the maximum tangential speed th..
When a 14.4-V car battery delivers a current of 60.0 A, the power consumed on its internal resistance is 36.0 W, what is the internal resistance of the battery
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