A998 kg race horse goes from rest to a speed of 55.0 km/h in 6.00 s. how much net force does the ground exert on the horse? 9148 n 2550 n 91616 n the ground does not exert a force on the horse.

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