6. The graph given represents the motion of a fast moving car. What can
you conclude about the motion of the car?*
80
60
Velocity (m/s)
401
201
OH
5 10 15 20
Time (s)
O A. The car is moving with uniform acceleration.
O B. The car has positive acceleration, followed by a negative acceleration.
C. The car accelerates, then moves with constant speed
O D. The car has a negative acceleration, followed by a positive acceleration
Answers: 1
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Which statement correctly describes the relationship between frequency and wavelength?
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Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
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Ahypothetical metal has an orthorhombic unit cell for which the a, b, and c lattice parameters are 0.413 nm, 0.665 nm, and 0.876 nm, respectively. (a) if there are 8 atoms per unit cell and the atomic packing factor is 0.536, determine the atomic radius (in nm). (b) if the density is 3.99 g/cm3, calculate the metal's atomic weight (in g/mol).
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If you let go of the notebook after lifting it, will it move? how?
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6. The graph given represents the motion of a fast moving car. What can
you conclude about the moti...
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