PLS Help!!! NO LINKS PLS Considering the diagram below, add the following vectors and determine what vector they will equal to.
1) K+J+D+N= ?
3)B+F+X+A=?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

Explain why electric current cannot exist if a current doesn't have a voltage source.