YALL PLEASE HELP I BARELY HAVE TIME Which of the following is not a property of light?
Light travels in a straight line.
Light travels through empty space.
Light moves in a compressional wave.
All options are true

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

What is the length x of the side of the triangle below? (hint: use the cosine function)

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.