What is an object velocity?

Sometimes scientists have different explanations for the same observations. For example, before scientists understood atoms, they had different explanations for matter.

Technician A says that checking refrigerant odor (HC smell) is a reliable way to check for contaminated refrigerant. Technician B says that refrigerant with more than 2% of a foreign refrigerant normally should be sent off for reclaiming or disposal.

Suppose a log's mass is 5 kg. after burning the mass of ash is 1 kg explain what may have happened to the other 4kg

Only one force acts on an object, can the object have zero acceleration? can the object have zero velocity? explain.

What is the relationship between an object's temperature and its heat

You are given two objects of identical size, one made of aluminum and the other of lead. You hang each object separately from a spring balance. Because lead is denser than aluminum, the lead object weighs more.

Why are the oldest parts of the ocean floor no older than about 200 million years

A firefighter with a weight of 707 N slides down a vertical pole with an acceleration of 2.79 m/s2, directed downward. (a) What is the magnitude of the vertical force on the firefighter from the pole?

As latitudes increase temperatures gennerally decrease. explain?

Matter that does not conduct energy easily