If the forces on an object are balanced (or if there are no forces acting on it), this is what happens:
a stationary object stays still
a moving object continues to move at the same speed and in the same direction
Explanation:
the impact cull ball stop,bit transfer all of it
momentum and kinetic energy to the another ball resunting in the hit ball rolling with the initial speed of the cue ball .
The relationship between the resistance R of a wire and its resistivity
is given by
where L is the length of the wire and A is its cross sectional area.
In the problem, we have
,
and
. So we can solve the find the area A:
For a cylindrical wire, the cross sectional area is given by
where r is the radius. We know the value of the area A, so now we can find the radius of the wire:
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Silently he crept through jagged thornbushes. Bare feet moved swiftly over hot, arid soil to the edge of a waterhole where the kudu was drinking. The great animal suddenly looked up, spiral horns curving sharply into the endless African sky. Nsue did not reach for his pouch of poisoned arrows. He had no heart for killing. This would not be the day he would change his childish boyhood name.
How does paragraph 1 contribute to Nsue’s development?
A.
It establishes Nsue’s disappointment at not finding a suitable animal to bring to the feast.
B.
It establishes Nsue’s apprehension of participating in the Festival of the New Moon.
C.
It establishes Nsue’s desire to become a great storyteller like Gao, the Old One.
D.
It establishes Nsue’s motivation to find something to take to the feast.
