Aperson tosses a ball from the ground up into the air at an initial speed of 10 m/sec and an initial angle of 43◦ off the ground. after the ball is released, what is the total acceleration vector acting on the ball when the ball is at the top of its arc? 1. 9.8 m/s2 , down 2. none of these 3. 9.8 m/s2 , up 4. zero 5. 9.8 m/s2 , in the horizontal direction

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

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.