PLS HELP Answer the question below. Use the rubric in the materials for help if needed. Use details to support your answer.
A man started at his house and went to the post office, then to the pet store, and finally home again. What is the average
velocity if this trip took three hours?
Explain how you arrived at your answer.
POST OFFICE
PET STORE
4 miles
3 miles
5 miles

How might this scientific phenomena be explained? a paper clip floats on water.

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt