If the relative magnetic permeability of a material is equal to 0.99999, this material is

(a) Diamagnetic.
(b) Paramagnetic.
(c) Ferromagnetic.
(d) Antiferromagnetic.


(a) Diamagnetic.

Physics & Space Science

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A ventilation fan with a moment of inertia of 0.0340 kg·m2 has a net torque of 0.110 N m applied to it. If it starts from rest, what kinetic energy will it have 10.4 s later?

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An object is moving with constant non-zero velocity in the +x direction. The position versus time graph of this object is

A) a horizontal straight line. B) a vertical straight line. C) a straight line making an angle with the time axis. D) a parabolic curve.

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A sports car of mass 1000 kg can accelerate from rest to 72. km/h in 6.6 s. What would the average force of the car's engine be?

What will be an ideal response?

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