Angular momentum cannot be conserved if
A)
the angular acceleration changes.
B)
the angular velocity changes.
C)
there is a net force on the system.
D)
the moment of inertia changes.
E)
the net torque is not zero.
E
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A 22
F capacitor is charged to 100 V. What is the energy stored by the capacitor?
A. 0.22 J B. 0.11 J C. 22 J D. 11 J E. 44 mJ
What two unusual processes does Ganymede experience and why?
What will be an ideal response?
A hollow cylindrical (inner radius = 2.0 mm, outer radius = 4.0 mm) conductor carries a current of 24 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 5.0 mm from the axis of the conductor
a. 0.96 mT b. 1.7 mT c. 0.55 mT d. 1.2 mT e. 0.40 mT
Elliptical galaxies, with older stars, will be more likely to have evolved intelligences than the stars close to us in the Milky Way
Indicate whether the statement is true or false