Answer:
Projectile motion formula or equations derived (In Tabular format)Motion Path equation:
y = (tanθ) x – (1/2) g . x2/(V0 cosθ)2
Explanation:
Gear because each spike is a wedge shape that adds a mechanical advatage
I have a note here that might help you solve the problem on your own:
According to the law of conservation of energy
The energy of the photon is used in overcoming the workfunction of the metal, and the excess energy goes as the kinetic energy of the electron.
<span>Photon Energy = Work function of Cs + KE of electron
</span>
I hope my guide has come to your help. God bless and have a nice day ahead!
Porcine = of, affecting, or resembling a pig or pigs
Equine = of, relating, or affecting horses or other members of the horse family
Ursine = of, relating to, or resembling bears
Feline = Of, relating to, or affecting cats or other members of the cat family
Your answer is option "D. feline"
(definitions from "New Oxford American Dictionary)