Heat energy can be transferred from a source to a receiver by

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 power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?