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  2. List of equations in classical mechanics - Wikipedia

    en.wikipedia.org/wiki/List_of_equations_in...

    Classical mechanics is the branch of physics used to describe the motion of macroscopic objects. [1] It is the most familiar of the theories of physics. The concepts it covers, such as mass, acceleration, and force, are commonly used and known. [2] The subject is based upon a three-dimensional Euclidean space with fixed axes, called a frame of ...

  3. 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.

  4. Equations for a falling body - Wikipedia

    en.wikipedia.org/wiki/Equations_for_a_falling_body

    Based on wind resistance, for example, the terminal velocity of a skydiver in a belly-to-earth (i.e., face down) free-fall position is about 195 km/h (122 mph or 54 m/s). [3] This velocity is the asymptotic limiting value of the acceleration process, because the effective forces on the body balance each other more and more closely as the ...

  5. Equations of motion - Wikipedia

    en.wikipedia.org/wiki/Equations_of_motion

    There are two main descriptions of motion: dynamics and kinematics.Dynamics is general, since the momenta, forces and energy of the particles are taken into account. In this instance, sometimes the term dynamics refers to the differential equations that the system satisfies (e.g., Newton's second law or Euler–Lagrange equations), and sometimes to the solutions to those equations.

  6. Lists of physics equations - Wikipedia

    en.wikipedia.org/wiki/Lists_of_physics_equations

    In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.

  7. New York family grieves living woman for 36 hours after ...

    www.aol.com/york-family-grieving-woman-police...

    A Staten Island, New York, family has experienced a whirlwind of emotions after police incorrectly told them that their loved one had been killed in a car crash.

  8. Atwood machine - Wikipedia

    en.wikipedia.org/wiki/Atwood_machine

    The free body diagrams of the two hanging masses of the Atwood machine. Our sign convention, depicted by the acceleration vectors is that m 1 accelerates downward and that m 2 accelerates upward, as would be the case if m 1 > m 2. An equation for the acceleration can be derived by analyzing forces.

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