Which aspect of the personality exists from birth?
1. the ego
2. the id
3. the alter ego
4. the superego

The strong nuclear force acts over a small distance than the electrostatic force. true or false

3. a particle with initial velocity v⃗ 0=(5.85×103m/s)j^ enters a region of uniform electric and magnetic fields. the magnetic field in the region is b⃗ =−(1.35t)k^. you can ignore the weight of the particle. a. calculate the magnitude of the electric field in the region if the particle is to pass through undeflected, for a particle of charge +0.640 nc.

Abody covers a semicircle of radius 7cm in 5s .find its linear speed