A 1,994 kg car accelerates from rest to a speed of 26 m/s in 9 s. Determine the net force on the car in N.

t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanatio

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

a.) travels faster in solids because the particles are closer together.

air is a gas water is a liquid

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up