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A copper wire is 7.00 m long and has a cross-sectional area of 1.00 10-4 m2. This wire forms a one turn loop in the shape of a square and is then connected to a battery that applies a potential difference of 0.200 V. If the loop is placed in a uniform magnetic field of magnitude 0.200 T, what is the maximum torque that can act on it? The resistivity of copper is 1.7 multiplied by 10-8 · m.
A space traveler weighs 565 N on earth. What will the traveler weigh on another planet whose radius is 3 times that of earth and whose mass is twice that of earth.
Why is you are not harmed with the contact of a charged metal ball, although its voltage may be very high? Is the reason similar to why you are not harmed by greater-than-10000 C sparks from the Fourth-of-July sparkler? Define your answer in terms..
Determine the time it takes for the particle. A particle is traveling in a straight line at a constant speed of 28m/s. Suddenly, a constant force of 15.6N acts on it, bringing it to a stop in a distance of 66.8m.
A 77 person stands on the uniform ladder 4.0 long, that weighs 100. The floor is rough; hence, it exerts both a normal force, and a frictional force, on the ladder. The wall, on the other hand, is frictionless; it exerts only the normal force.
Explain how many pellets must be added to 450 g of water that is initially at 20.0°C to make the equilibrium temperature 25.0°C? Neglect any energy transfer to or from the container.
What is the magnitude of the net force on the student.What is the magnitude of contact force on the student by the backpack.
What is wavelength of the X-ray photon
A spherical balloon has a radius of 12.5 m, and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 1200 kg? avoid the bouyant force on the cargo volume itself.
A force vector has a magnitude of 590 newtons and points at an angle 44o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
Two lightbulbs operate on the same potential difference. Bulb A has four times the power output of bulb B. What is the ratio of the current in bulb A to the current in bulb B?
An airplane needs to reach a velocity of 487 km/h to take off. On a 2000 m runway, what is the least acceleration necessary for the plane to take flight.
A hollow aluminium cylinder is to be fitted over a steel piston. At 22°C the inside diameter of the cylinder is 99.2 percent of the outside diameter of the piston. To what common temperature must the two pieces be heated in order that the cylinder ju..
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