<h3><u>Answer;</u></h3>
the north end to the south end.
<h3><u>Explanation;</u></h3>
- Magnetic field lines from a bar magnet form lines that are closed. The direction of magnetic field is taken to be outward from the North pole of the magnet and in to the South pole of the magnet.
- A magnetic field refers to the area surrounding a magnet where a force is exerted on certain objects. These lines are spread out of the north end of the magnet.
- The magnetic field lines resemble a bubble.
Answer:
0.25p.a
Explanation:
force=15N area=60m²
so pressure =force/area =15N/60m²=0.25p.a
The diagram below shows the heating of an unknown substance (it is not water). Its melting point is? Where is the diagram
Work is performed while initially lifting books off the floor. The work is due to gravity.
Answer:
Explanation:
Given,
Mass of ball kg
Speed of ball m/s
Mass of persona kg
(a) The person is at rest initially. So, by the conservation of momentum
(b) Final speed of ball