After an initial push, a sled begins to move downhill at 1 m/s. A few seconds later its kinetic energy has increased. The sled now has 64 times more kinetic energy than it did right after the push. How fast it it going?

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?