What will happen to the absorption and/or emission spectral lines of an object moving away from earth at high speed?
a. they will be shifted toward the blue end of the spectrum.
b. they will be made more intense.
c. they will be shifted toward the red end of the spectrum.
d. they will be made less intense.
e. they will be unaffected. submit

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

2.22/3.33 points | previous answers tamucolphysmechl1 4.pre.002. ask your teacher my notes question part points submissions used on a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 2.40 m/s. (a) what are the magnitude and direction of the velocity of the red glider after the collision? magnitude 3.33 m/s correct: your answer is correct. direction correct: your answer is correct. (b) is this collision elastic?