What would the gravitational field strength be on a planet with twice Earth's mass and twice its radius?

78.4 N/kg
39.2 N/kg
19.6 N/kg
9.8 N/kg
4.9 N/kg

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.

Abar magnet cut in half will form a total ofpoles. a)fourb)eightc)two

The specific individuals, groups, and institutions that enable socialization to take place.