What is true about flexibility? Boys are more flexible than girls.
You get more flexible as you get older.
You can improve your flexibility by stretching.

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

Why do astronauts in the space shuttle weigh less?

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.