Question

what part of projectile motion caught your attention?​

Answer 1

Answer:

Write the law of Biot-Savart and with the help of this law derive

an expression of the intensity of the magnetic field at the centre of

circular coil carrying current.in a long answer

Answer 2

Answer:

There are the two components of the projectile's motion - horizontal and vertical motion. And since perpendicular components of motion are independent of each other, these two components of motion can (and must) be discussed separately.