a golden colored cube is handed to you. the person wants you to buy it for $100 saying that is a gold nugget. you pull out your gold geology text and look up gold in the mineral table. and read that its density is 19.3g/cm3 you measure the cube and find that it is 2 cm on each side and weighs 40.0g what is its density? is it gold? should you buy it?

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation:

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?