Claim how it would be possible to predict the speed that a 2000 kg car full with riders will reach before it’s ever placed on the track. Cite evidence by using the appropriate formulas and reasoning by solving them in order to calculate the speed of the car at the bottom of the first hill.

Why cooking gas has a typical smell

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?