A moving object has 20 Joules of potential energy and has a mass of 10 kilograms. What is the formula used to velocity (blank 1)? How fast is the object moving in
meters per second (blank 2)?
Blank # 1
Blank # 2

Which best describes why nh4+ can form an ionic bond with cl-?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.