Answer:
a)
The magnitude of the attractive force is 
b)
The magnitude of the repulsive force is 
c)
The magnitude of the net force is 
Explanation:
The explanation is shown on the first and second uploaded image
Answer:
position 3
Explanation:
in position 3 PE is least as height is least
so KE is most as energy is always conserved
Answer: Oblique impact
Explanation:
When the motion of one or both of the particles is at an angle to the line of impact, the impact is said to be oblique impact.
On the other hand, when the directions of motion of the two colliding particles are moving along a line of impact, then it's refered to as central impact.
Answer:
Magnetic field lines can be drawn by moving a small compass from point to point around a magnet. At each point, draw a short line in the direction of the compass needle. Joining the points together reveals the path of the magnetic field lines.
Explanation:
