As a box is sliding down a ramp, a 10-N force of gravity is pulling the box down the ramp while a 2-N force of friction acts to stop the box. What is the net force accelerating the box down the ramp?

Which statement correctly describes a chemical reaction? A. Reactants come out of a reaction. B. Energy is always released. C. Bonds between atoms break and new bonds form. D. Products go into a reaction.

Part iv. Is the neutralization reaction enthalpy favored?

What is the oxidation number for sodium? A 2- B 1+ C 2+ D 1-

Explain why subscripts cannot change when balancing a chemical equation

What's 13 in scientific notation

A population of ground squirrels lives in underground burrows several miles from an ocean shore. If a hurricane strikes the shore, which effect of the hurricane would probably do the most damage to the squirrel population? A. thunder B. lightning C.

Discuss how forests act as carbon sinks.

What are tectonic plates

Sara's mom takes the parkway to work. It takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile marker 121. What is her average speed? 4.0 mph 16.5 mph 33 mph 66 mph

What happens to the waterspouts after rain begins to fall? a. it makes the rainspout stronger c. it dissipates b. it slows it down d. none of these