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  2. Hang time - Wikipedia

    en.wikipedia.org/wiki/Hang_time

    Hang time generally refers to how long a (self-)launched object stays in the air: In basketball , the length of time a player stays in the air after jumping to score or pass the ball. In American football , the length of time a punted ball flies through the air.

  3. Half-life - Wikipedia

    en.wikipedia.org/wiki/Half-life

    Half-life (symbol t ½) is the time required for a quantity (of substance) to reduce to half of its initial value.The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable atoms survive.

  4. Time in physics - Wikipedia

    en.wikipedia.org/wiki/Time_in_physics

    t is the time between these same two events, but as measured in the stationary reference frame; v is the speed of the moving reference frame relative to the stationary one; c is the speed of light. Moving objects therefore are said to show a slower passage of time. This is known as time dilation.

  5. Physics - Wikipedia

    en.wikipedia.org/wiki/Physics

    Physics is also called "the fundamental science" because all branches of natural science including chemistry, astronomy, geology, and biology are constrained by laws of physics. [58] Similarly, chemistry is often called the central science because of its role in linking the physical sciences.

  6. Physical chemistry - Wikipedia

    en.wikipedia.org/wiki/Physical_chemistry

    Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibria.

  7. Fla. Man Accused of Beating Golfer to Death With Golf Clubs ...

    www.aol.com/fla-man-accused-beating-golfer...

    A Florida man is accused of beating another man to death with golf clubs on a course in Palm Beach County. A probable cause affidavit filed by the Palm Beach Gardens Police Department obtained by ...

  8. Time - Wikipedia

    en.wikipedia.org/wiki/Time

    Time is the continuous progression of our changing existence that occurs in an apparently irreversible succession from the past, through the present, and into the future. [1] [2] [3] It is a component quantity of various measurements used to sequence events, to compare the duration of events (or the intervals between them), and to quantify rates of change of quantities in material reality or ...

  9. Smithfield agrees to pay $2 million to resolve child labor ...

    www.aol.com/smithfield-agrees-pay-2-million...

    Smithfield Foods, one of the nation’s largest meat processors, has agreed to pay $2 million to resolve allegations of child labor violations at a plant in Minnesota, officials announced Thursday.