If you push a shopping cart and one wheel hits a rough patch concrete, it is difficult to steer the cart in a straight line. explain how this is similar to refraction of a wave as it enters a new medium

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?

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.

Ascientific blank must be testable and capable of being proven false?