What does the color of a star determine

An object is dropped from a tower, 400 ft above the ground. the object's height above ground t seconds after the fall is s(t)equals400 minus 16 t squared. determine the velocity and acceleration of the object the moment it reaches the ground. the velocity of the object the moment it reaches the ground is nothing ft/s.

There are weak or strong attractive forces between atoms of liquids with a high viscosity

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good