Apencil is located 15 cm from a concave lens with a focal length of negative
30 cm

How would a small bar magnet be oriented when placed at position x?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

The discovery of the electron as a subatomic particle was a result of