An object is moving with an initial velocity of 9 m/s. It accelerates at a rate of 1.5 m/s2 over a time of 20 s. What is its new velocity?

Decreased sensitivity to an unchanging stimulus is known as

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?

The receptor cells that convert light energy into neural signals are called