An olympic swimmer swims 2.22 m/s. how long would it take the swimmer to swim 50 meters.

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

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?

Observations show that interstellar clouds can have almost any shape and