A car stops in 20 m. If it has an acceleration of -6m/s^2 how fast was it going before you started slowing down? Variables:
Equation and Solve:

Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created