How much force is needed to stop an 80kg football player if he decelerates at 5m/s2

Answer asap! the weather patterns on earth are shown in this image. explain why there are convection currents; why there are hotter and colder parts of earth.

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

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)