What is the area of velocity time graph​

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

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