In a completely elastic collision: Group of answer choices

none of these

momentum is conserved, but not kinetic energy.

kinetic energy is conserved, but not momentum.

neither momentum nor kinetic energy are conserved.

momentum and kinetic energy are both conserved.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

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