The two blocks in the figure oscillate on a frictionless surface with a period of 1. 7 s. The upper block just begins to slip when the amplitude is increased to 30 cm.

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

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.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2