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HESI A2 Physics Exam With Questions And 100% Correct Answers A+ Graded
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HESI A2 Physics Exam With Questions And 100%Correct Answers A+ Graded
Average speed - ANSWER The distance an object travels divided by the time the object
travels without regard to direction of travel.
V av=d/t
V av= average speed
d= distance
t= time
Velocity - ANSWER Speed in a specific direction
Vector quantity and must be expressed in both units of magnitude and direction of
motion.
vector quantity - ANSWER quantity describing the time rate of change of an object's
position
Avg. speed - ANSWER V av = Vf + Vi
--------
2
Acceleration - ANSWER the change in velocity over time.
Vector Quantity
, Magnitude and direction
ΔV
-------------------
Δt
Projectile Motion- ANSWER Two types of motion on the same axis can be shown
dx= Vxt
dx- horizontal distance
Vy- a function of velocity
t- time
Vertical Motion- ANSWER d= 1/2 at^2 + Vit
Force - ANSWER a push or pull on an objet
Newton's first law of motion - ANSWER A body at rest will remain at rest, and a body in
motion will continue with a constant velocity unless acted on by an unbalanced force.
Newton's second law - ANSWER an unbalanced force will cause acceleration, and this
acceleration is directly proportional the the unbalanced force.
F=k(or m)a
F-force
k- the content of proportionality= the mass of the object
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