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Two straight, parallel superconducting cables can withstand a maximum tension of 20 kN/m without breaking. An engineer wants to use these cables in a device in which each cable is securely fastened and carries 28 kA of electric current. The currents will be flowing in opposite directions. What is the minimum separation required to keep the cables from breaking?
Type your question hereAn aircraft with a mass of 963 kg accelerates from 0 to 80 m/s in 8.1 seconds, What is the kinetic energy of the aircraft
During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the launch pad and accelerates upward at a steady 3.45m/s2. How high is the rocket when the canister hits the launch pad
A man weighing 670 Newton and a woman weighing 480 Newton have the same momentum. Find the ratio of the man kinetic energy to that of the woman
What would be the equilibrium temperature when a 271 g block of copper at 280°C is placed in a 169 g aluminum calorimeter cup containing 817 g of water at 11.5°C.
Figure skater is spinning at a rate of 1.0 rev/s with her armsoutstretched. She then draws her arms in to her chest,reducing her rotational inertia to 67% of its original value. What is her new rate of rotation?
a distant galaxy emits light that has a wavelength of 479.2 nm. on earth the wavelength of this light is measured to be
Describe how magnetic dipoles of a system of two-state paramagnet behave in a magnetic field and explain why. Describe how the heat capacity, energy, and magnetization of a system of two-state paramagnet depend on temperature.
Radius=10m Vt=12.3 If at point A the track exerts a force on the car that is 2.92 × 10^4 N greater than the car's weight, what is the mass of the car.
A string is attached to an overhead beam. If you put a mass of 170 gram on it, and it proceeds to stretch a distance of 7 centimeter, Find what is the magnitude of the downward acceleration
A 5.00 kg block rests on a horizontal plane. A force of 10.0 N applied horizontally causes the block to move horizontally at a constant velocity. What is the coefficient of kinetic friction between the block and the plane?
A 10 N force acts on 5 kg object for 2.0s. What is the impulse of the force on the object, What is the change in momentum of the object
An object weighing 340 Newton in air is immersed in water after being tied to a string connected to a balance. The scale now reads 250 Newton, Compute what is the density of the oil
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