A0.50-kg mass attached to the end of a string swings in a vertical circle (radius 2.0 m). when the mass is at the highest point on the circle, the speed of the mass is 12 m/s. what is the magnitude of the force of the string on the mass at this position?

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

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.

Name two kinds of practical electric pumps.