Que es la friccion

Cual es la primera ley de newton

What kind of friction exists between solid objects moving in water? static friction sliding friction rolling friction drag

Will a vector at 45 degrees to the horizontal be larger or smaller than its horizontal and vertical components? By how much?

In which sealed container would the organisms be able to continuously cycle o2 and co2 gases? a. a jar with a lizard eating a snail b. a room with mice eating moldy grain c. a jar with snails crawling on living plants d.

A railroad tank car contains milk and rolls at a constant speed along a level track. The milk begins to leak out the bottom. The car then a. Need more information about the rate of the leak. b. maintains a constant speed. c. speeds up. d. slows down.

According to the biological model, an imbalance in which chemical causes a problem in the normal functioning of the brain?

For the vectors in the figure, with a = 12, b = 9.0, and c = 15 what are (a) the magnitude and (b) the direction of a * b, (c) the magnitude and (d) the direction of a * c, and (e) the magnitude and (f) the direction b * c?

Which element is most likely to carry electric current easily?

What is energy? it's from my physics book

An object is thrown upward with a speed of 12 m/s on the surface of planet x where the acceleration due to gravity is 1.5 m/s2. how long does it take for the object to reach the maximum height?

How fast must a 0.142-kg baseball move in order to have the same momentum as the bus?