Mr. finnigan has a particular proclivity for pyrotechnics. he will use right circular cylinders with a height of 12.0 cm and a radius of 11.6 cm. if the density of his powder is 8.41 g/cm3 , how many grams of powder does he need to stop the snatchers from getting to hogwarts if he needs 14 of these cylinders? express your answer in kg.

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

Which of the following statement is false ? a.batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c.do not stack batteries on top of each other)d.never put a damaged battery in a dumpster. i