Answer:
yes there would be two poles in every magnet because a magnet cannot exist without having the two north and south poles.
Explanation:
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Answer:
6.15 s
Explanation:
The period of a simple pendulum is given by the equation
where
L is the length of the pendulum
g is the acceleration of gravity
For the pendulum in this problem,
L = 1.5 m (length)
(acceleration due to gravity on Earth)
Therefore, its period is
And therefore, the time taken for the pendulum to complete 2.5 oscillations is equal to 2.5 times the period:
<h2>
Average speed of round trip is 48 mph</h2>
Explanation:
Let the distance from A to B be s.
A car travels from A to B at a speed of 40 mph then returns, using the same road, from B to A at a speed of 60 mph.
Total distance traveled = 2s
Total distance traveled = Average speed x Total time
Average speed of round trip is 48 mph
Answer:
South pole
Explanation:
In a bar magnet, field lines go from the North Pole to the South Pole (outside the magnet).
As the earth magnetic field lines go from South Pole (geographic) to the North one, this means that the North pole (geographic) really behaves as a South Pole (magnetic).