A car starts from point A, goes 100 km to point B, immediately turns around, and returns to point A. The round trip takes 4 hours. What is the average speed of the car?

50 km/h

Explanation:

200 km = 4 hours

200/4=50

50km/h

hail is a solid form of precipitation composed of large, layered ice particles called pellets that often have spherical shapes. this phenomenon occurs during thunderstorms in the could type known as cumulus

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  the unit of the measure =

explanation:

  the property that is quantified by the energy needed per of material to raise the temperature by one.

  si unit of energy = joule (j)

  si unit of temperature = kelvin (k)

  si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is