Which of the following is true about two objects of the same mass when they have a non-sticky collision?

a. when the objects collide, the momentum of each will become zero

b. when the objects collide, they will trade velocities

c. when the objects collide, each object will then have the sum of the original momentum’s

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

What is the independent variable in this investigation? mass volume sample number substance density

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)