The diagram below shows a 4.0-kilogram object accelerating at 10. meters per second on a rough horizontal surface.
Acceleration = 10. m/s2
Frictional
force = F1
Applied
force = 50. N.
m = 4.0 kg
(Not drawn to scale)
What is the magnitude of the frictional force F, acting on the object?

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

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.

What can you increase the strength of an electromagnet by