Kira flies her spaceship at 0.8 c, trying to catch up to her sister aja, who's spaceship is traveling at 0.5 c in the same direction. kira shines a laser towards aja's ship to signal her imminent arrival. what is the speed of the laser light as measured by aja? g

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?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity