You throw a baseball from the roof of a house to a friend on the ground. The ball has an initial velocity of 6.0 m/s in the horizontal direction. After 2.00 s, how fast is the ball
moving in (a) the x direction and (b) the y direction. A) the velocity in the x-direction
doesn't change. Therefore, after 2.00 seconds we have
Please help!!

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.