0.30 kg cart moves on an air track at 1.2 m/s. It collides with and sticks to another cart of mass 500 g, which was stationary before collision. What is the velocity of the combined carts after collision?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.