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MCAT Physics With Complete Solutions 2024
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MCAT Physics With Complete Solutions 2024
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MCAT Physics With Complete Solutions2024
What is speed's units and formula? How is this different than velocity? ANS✔✔
[v]=m/s Speed= distance/change in time
Velocity is a vector unit and thus also depends on direction
How do you add vectors? What happens if a vector is negative? ANS✔✔ You add tip
to tail. If it is negative, you reverse the vector's direction
Big five equation for when acceleration is missing? ANS✔✔ d= average velocity *
time
Big five equation for when displacement is missing? ANS✔✔ vf = vo +a*t
Big five equation for when final velocity is missing? ANS✔✔ d = vo *t + 1/2*a*t^2
Big five equation for when initial velocity is missing? ANS✔✔ d = v*t - 1/2 *a*t^2
Big five equation for when time is missing? ANS✔✔ v^2 = vo^2 + 2*a*d
What should you do when you have proportions? ANS✔✔ You should write the
equation with out constants
What is the area under the curve represent on a velocity vs time graph? ANS✔✔
Displacement
, What is the formula, and units for Net Force? Weight? ANS✔✔ Fnet= m*a = F1 + F2
+ F3
[F]= kg*m/s^2 = N
Weight: [W] = m*g = N
What direction should you draw normal force, weight, and tension in your free body
diagram? ANS✔✔ Normal force: perpendicular (normal) to surface
Weight: towards earth
Tension: points along rope away from the object
What is the formula for static and kinetic friction? Which one's coefficient of friction
is greater? ANS✔✔ Ffriction < or = u *Fn
u= coefficient of friction
static friction always has a higher coefficient of friction than kinetic friction
What do the following mean? numerical value?
g
p water
e
ko
h
c ANS✔✔ g = gravity = 10 m/s
p water = density of water = 1000 kg/m^3 = 1 g/cm^3
e= electron electric charge = 1.6 E-19 C
ko= Coulomb's constant = 9E9 N*m^2 / C^2
h = Planck's Constant = 6.6 E -34 J*s
c = speed of light in a vacuum = 3E8 m/s
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