The spaceshuttle was traveling at 215 [m/s]. Then it accelerates at 23 [m/s/s] for 9.3 [s]. What is the final velocity?

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?

What is the temperature in degrees celsius of a substance with a tempature of 49k

Select the three ways that the parallel-plate capacitor differs from a car battery.