Answer:
The speed of the boat is equal to 13.50 ft/s.
Explanation:
given,
1 nautical mile = 6076 ft
1 knot = 1 nautical mile /hour
1 knot = 6076 ft/hr
speed of boat = 8 knots
8 knots = 8 nautical mile /hour
=
= 13.50 ft/s
The speed of the boat is equal to 13.50 ft/s.
Newton's First Law: An object in motion stays in motion, an object at rest stays at rest unless an unbalanced force acts upon it. For example, when zipping down the zip line you will stay in motion unless an outside force interferes. ... The more mass the more force needed.
It is (A) for the first one and (B) for the second one.
Answer:
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Explanation:
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<h3>Explanation</h3>
,
where
is the current;
is the drift speed;
is the cross-section area of the wire,
is the number of charge carrier per unit volume, and
is the charge on each charge carrier.
Area of a circular cross-section:
,
where
is the radius of the wire.
and
are the same for all four samples, for they are made out of the same material.
As a result,
of each wire is directly proportional to
where the value of
is constant.
For each of the four wires:
.
How do the four wires rank by their current?
d > a > b > c.