A3 cm tall object is 45 cm in front of a convex mirror that has a -25 cm focal length. what is the image characteristics? real / virtual upright / inverted smaller / larger / same size o a. real inverted larger ob. real upright smaller o c. vitual inverted larger o d. virtual upright smaller

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.