An empty beaker weighs 39.09 g
a)when completely filled with water, the breaker and its contents have a total mass of 388.15 g. what volume does the beaker hold? use d=1.00 g/ml as the density of the water.
2)how much would the beaker and its contents weigh if it was completely filled with mercury? the density of mercury is d=13.5 g/ml.

Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet