A train's mass is 18181.81 kg. What is its weight?

Multiple Choice An object in motion will cause which of the following? Select all that apply. friction decrease in heat flow increase in heat flow creation of energy

What statement best defines work? A.) work is the time it takes to move an object once acted upon by a force. B.) work occurs when balanced forces act on an object and cause movement in the direction of these forces C.

In which direction do hurricanes in the southern hemisphere rotate?

You are given the speed of a wave and it's period. What kind of information can you also find out about this wave?

The world's highest fountain of water is located, appropriately enough, in Fountain Hills, Arizona. The fountain rises to a height of 560 ft.

A database that is flexible and easy to use was recently installed. the data is stored in rows and columns much like a spreadsheet. what type of database must have been installed?

What did johannes kepler contribute to the study of planets

Baseboard heaters are basically electric resistance heaters and are frequently used in space heating. A homeowner claims that her 5-year-old baseboard heaters have a conversion efficiency of 100%.

Explain why the brakes of a car get much hotter than the brakes of a bicycle?

If 10,000 J of work was done to raise a 225 kg box, how high was the box raised?