APMC1 part 1

# APMC1 part 1 - between 0 and 1 s 1 s between 1 and 2 s 2 s...

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1. 1/1 points All Submissions Notes Question part Points Submissions 1 1 1/1 Total 1/1 If the mass of a simple pendulum is doubled but its length remains constant, its period is multiplied by a factor of 1/2 2 -1/2 1 2 1/2 2 2. 1/1 points All Submissions Notes Question part Points Submissions 1 1 1/1 Total 1/1 A railroad flatcar of mass 2,000 kg rolls to the right at 10 m/s and collides with a flatcar of mass 3,000 kg that is rolling to the left at 5 m/s. The flatcars couple together. Their speed after the collision is 1 m/s 2.5 m/s 5 m/s 7 m/s 7.5 m/s 3. 0/1 points All Submissions Notes Question part Points Submissions 1 0/1

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1/1 Total 0/1 The graph shows the velocity vs. time for an object moving in a straight line. At what time after time = 0 does the object again pass through its initial position?
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Unformatted text preview: between 0 and 1 s 1 s between 1 and 2 s 2 s between 2 and 3 s 4. 1/1 points All Submissions Notes Question part Points Submissions 1 1 1/1 Total 1/1 Which of the following is true for a system consisting of a mass oscillating on the end of an ideal spring? The kinetic and potential energies are equal at all times. The kinetic and potential energies are both constant. The maximum potential energy is achieved when the mass passes through its equilibrium position. The maximum kinetic energy and maximum potential energy are equal, but occur at different times. The maximum kinetic energy occurs at maximum displacement of the mass from its equilibrium position. 5. 0/1 points All Submissions Notes Question part Points Submissions 1 0/1 1/1 Total...
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APMC1 part 1 - between 0 and 1 s 1 s between 1 and 2 s 2 s...

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