PHYS 172 Final
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | False
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| True/False: The momentum of an object always point in the same direction as its velocity. | show 🗑
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| show | True
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| True/False: A heavier object attracts a lighter object with larger gravitational force than the lighter object attracts the heavier one | show 🗑
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| True/False: Momentum is always perpendicular to net force. | show 🗑
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| True/False: The period of oscillations is independent of amplitude. | show 🗑
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| show | Smaller
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| show | Rf=Ri+Vavg(Tf-Ti)
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| show | Gravity, electromagnetic, strong, and weak force
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| When is linear momentum conserved? | show 🗑
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| Total stretch of two spring in series? | show 🗑
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| Total stretch of two springs in parallel | show 🗑
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| Frequency equation | show 🗑
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| show | magnitude of momentum
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| A change in what results in a perpendicular force only (parallel force =0)? | show 🗑
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| What type of force exist on an object moving in a circle? | show 🗑
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| show | same
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| The change in potential energy (delta U) is equal to... | show 🗑
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| show | constant
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| show | Bound
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| show | unbound
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| show | False
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| show | F.d
Fdcos(theta)
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| True or false? In a round trip the potential energy does not change | show 🗑
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| Collisions at the __________of a falling object impart more impulse than collisions at the _________ of the falling object. | show 🗑
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| Adding a photon ________ the energy of the atom | show 🗑
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| show | (m1r1+m2r2+m3r3...)/(m1+m2+m3...)
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| show | L=rxp
L=rpsin(theta)
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| Torque equation | show 🗑
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| For two vectors along the same line, the torque is equal to | show 🗑
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| What is the fundamental assumption of statistical mechanics? | show 🗑
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| show | False;
There is no rotational or vibrational
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| What is the formula for Evib and Erot for a diatomic gas | show 🗑
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| For Esys = 0, is K = -U? Why or why not? | show 🗑
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| For curved motion of people in a car, what is the direction of the net force acting on the people as the car is turning? | show 🗑
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| show | Magnitude is constant, (Fperp. = mv^2/R)
Direction is not constant because always pointing towards center of motion
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| show | Small
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| In an inelastic collision, which will experience a larger change in momentum, and object of large or small mass? | show 🗑
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| show | 1. Positive
2. Negative
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| show | 0 because of the circular path, force is only perpendicular and therefor the angle is 90deg. w=F(deltaR)cos(theta)... cos(90)=0
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| Positive or negative sign of work? 1. A spring being stretched. 2. A spring being compressed | show 🗑
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| show | The mass of the O2 molecule is smaller
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| Two identical balls go down a hill, Ball 1 slides and Ball 2 rolls. 1. Which will have a larger Ktotal? 2. Which will have a larger Ktrans? 3. Which will have a larger Krot? 4. Which will get down first? | show 🗑
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| show | E(water)+E(block) = 0
*use E=mc(deltaT)
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| show | Tip of A to tip of B
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| In a spring-mass system, what does the energy principle tell you? | show 🗑
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| show | Every microstate is equally probable
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| Mass of a proton | show 🗑
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| show | The force from the seat must be zero so the only force working on you is mg. To solve for speed, mg=mv^2/r
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| Each Einstein model is represented by ____ one-dimensional oscillator(s). | show 🗑
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| For a chain in a pile being straightened, what is the distance of the point particle system | show 🗑
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Created by:
jkmccord11
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