According to the graph, at which time during a sunny summer day are the particles in a swimming pool likely to be moving the most quickly?
A. 6:00 p. m.
B. 11:00 p. m.
C. 5:00 a. m.
D. 8:00 a. m.

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?