Two spaceships leave the earth in opposite directions, each with a speed of one-half the speed of light with respect to the earth. (a) what is the velocity of spaceship 1 relative to spaceship 2? (b) what is the velocity of spaceship 2 relative to spaceship 1?

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

answer( sicar );