You throw a ball horizontally from the top of a building, with a speed of 3 m/s. in this problem, you can neglect the force of air resistance.

after 2 seconds, what is the balls horizontal velocity?

a. impossible to tell

b. less than 3 m/s

c. 3 m/s

d. 0

e. more than 3 m/s

What changes would result in a decrease in the gravitational force between two objects? check all that apply.

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

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.