Answer:
A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets.
Explanation:
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Answer:
Aufbau diagram of sodium ion:
2s²,2p⁶,3s¹
Answer:
in a transverse wave, The directions that energy and matter travel in are perpendicular to one another.
these waves are types of mechanical waves that doesn't require any material medium to transfer.
Answer:
4.69 s
Explanation:
u = Initial velocity = 30 m/s
= Angle of launch = 
g = Acceleration due to gravity = 
Time taken by the projectile to land is given by
The time the projectile is in the air before it contacts the ground again is 4.69 s.
