Spaceships a and b are traveling directly toward each other at a speed 0.5c relative to the earth, and each has a headlight aimed toward the other ship.

what value do technicians on ship b get by measuring the speed of the light emitted by ship a's headlight?

answer choices

1).75c

2)1.0c

3)1.5c

4) .5c

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature