The diagram below shows five thin cylindrical shells, each shell rotating with constant angular velocity about its central axis. The magnitude of the tangential speed of one point of each cylinder is shown, along with each cylinder's radius and mass. Which cylindrical shell has the largest angular momentum?

a.

b.

e

Physics & Space Science

Does a magnetic field exert a force on a straight current-carrying wire? Assume the current is along the x axis and field is in the y direction

1.yes 2.no

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Physics & Space Science

What is the ground-state valence-shell electron configuration of the group of elements indicated by the shaded portion of the periodic table?

A)ns²
B)ns²np²
C)ns²(n-1)d²
D)ns²(n-2)f²

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Physics & Space Science

When a current-carrying wire is bent into a loop, its magnetic field inside the loop

A) weakens. B) becomes concentrated. C) cancels. D) none of the above

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Physics & Space Science

How does a heat pipe operate at low temperatures?

What will be an ideal response?

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Physics & Space Science