How do fossils provide evidence that evolution has taken place

If a boulder has a mass of 50 kg and a potential energy of 490 j what is the height of the boulder

A compound of sulfur (S) and oxygen (O) would most likely be ionic. True or False?

The age of our solar system is approximately

3. The half-life of a radioactive atom is two months. If you start with lg of the element, how much will remain after six months? A. One-half of a gram will remain. B. One-fourth of a gram will remain. C. One-eighth of a gram will remain. D.

Which is the best definition of activation energy? A. the energy required to end a chemical reaction B. the energy required to bind a substrate to an active site C. the energy required to break the bonds of reactant molecules D.

What will occur if the steepness of an inclined plane is decreased?

A 12,000-N car is raised using a hydraulic lift, which consists of a U-tube with arms of unequal areas, filled with incompressible oil with a density of 800 kg/m3 and capped at both ends with tight-fitting pistons.

The standard metric units of measurements for electric field strength are?

What steps are involved in converting potential energy to kinetic energy, or kinetic energy to potential energy?

A 50 Newton box is moved a distance of 12 meters. How much work was done on the box?