What is the correct name for this formula BaCI 2?

Suppose a cart is being moved by a certain net force. If a load is added to the cart so its mass is doubled, what is the ratio of the new acceleration to the old acceleration? 1. 4 2. 2 3. 0.625 4. 3 5. 1 6. 0.333 7. 0.25 8. 0.2 9. 0.5 10. 1.5

Why have we learned a lot about star formation since the invention of detectors sensitive to infrared radiation?

What is radioisotope dating?

Which statement about electric and magnetic fields is true? A. Electric fields and magnetic fields start at a positive and end at a negative. B. Electric fields and magnetic fields loop from north to south. C.

In which sealed container would the organisms be able to continuously cycle o2 and co2 gases? a. a jar with a lizard eating a snail b. a room with mice eating moldy grain c. a jar with snails crawling on living plants d.

Can an object have zero acceleration and nonzero velocity?

Which measurement can be constant (unchanging) ? A. only speed B. only velocity C. both speed and velocity

Calculate the period of a wave whose frequency is 5 Hertz and whose wavelength is one centimeter give your answer in a decimal form

Read the following paragraph from the section "No Time To Get To Safety." Many of the victims did not have enough time to climb on top of their roofs, or run to higher ground.

What do we mean when we say the universe is expanding, and how does expansion lead to the idea of the big bang and our current estimate of the age of the universe?