Answer:
-6.34 degrees.
Explanation:
Because this is a collision we can use the formula of linear momentum conservation.

The pin has an angle so it has two components of velocity, so:

applying the first formula:

The angle is given by:

the angle is -6.34 degrees.
Answer:
D
Explanation:
HR or human resources, is a division in a company which helps out with recruitment and other human related issues, some including counselling work so I would guess D
Answer:
True
Explanation:
Objects have the same velocity only if they are moving at the same speed and in the same direction.
Answer:
Magnetic field lines never intersect each other.
They originates(from north pole) and terminates (to south pole) perpendicularly from/to the surface of magnet. Also magnetic field lines continues through the magnet.
Magnetic field is denser at the pole and becomes less dense as we move away from the poles.
Explanation: