AP Physics 1 Unit 6 Progress Check: Answered accurately 2023.
What is the magnitude of the change in potential energy of the block-spring system when it travels from its lowest vertical position to its highest vertical position?
The students conduct experiment 2 in which the same block is conn...
AP Physics 1 Unit 6 Progress Check: Answered accurately 2023.
What is the magnitude of the change in potential energy of the block-spring system when it travels from its lowest vertical position to its highest vertical position? - (correct): 1/2k0(L1+L2)^2
The students conduct experiment 2 in which the same block is connected to the same spring on a horizontal surface. The spring is stretched a distance L2 beyond its natural length and released from rest, allowing the block-spring system to oscillate. Frictional forces are considered to be negligible. Which of the following claims is correct about how the period of oscillation for the block-spring system in experiment 2 compares with the period of oscillation for the system in experiment 1, and what evidence supports the claim? - (correct): The periods of oscillation for experiment 2 and experiment 1 are the same, because the block and the spring used in both experiments are identical.
A student is asked to perform experiment 1, but with a spring of an unknown spring constant. The student performs four trials of the experiment with blocks of different mass and collects the data that are shown in the table. How should the student graphically analyze the data in order to determine the spring constant of the spring? - (correct): Create a graph with the period of oscillation plotted on the vertical axis and the square root of the mass of the block plotted on the horizontal axis. Use the slope of the best-fit line to determine the spring constant.
The students must conduct an experiment to determine the magnitude of the force exerted on the block when the block is at a position of A2, where A is the amplitude of oscillation for the block-
spring system. For each trial, the students attach blocks of different mass m to the spring, stretch the spring a known distance A, release the system from rest, measure the period of oscillation T, and then measure the maximum velocity v of the system. How should students use a graph to determine the magnitude of the force under consideration? - (correct): Determine the magnitude of the slope of the best-fit line of T^2 as a function of m. Multiply the result by A/2.
In one experiment, the students allow the block to oscillate after stretching the spring a distance A. If the potential energy stored in the spring is U0, then what is the change in kinetic energy of the block after it is released from rest and has traveled a distance of A2 ? - (correct): 3/4 U At which of the following times does the spring exert its maximum force on the block? - (correct): 2 s
A 4.0 kg cube is placed in a container of water. A student observes that the cube floats. The net force exerted on the cube F represents the sum of the force due to gravity and the force exerted on the cube by the water. A force probe is used to measure F as a function of the cube's distance y
from the bottom of the container. The graph shows F as a function of y, where the positive direction is upward. Which of the following statements is correct about the motion of the cube if it is released from rest at a vertical position of y=0.05 m? - (correct): The cube will oscillate between y=0.05 m and y=0.09 m.
A student attaches a 0.6kg block to a vertical spring so that the block-spring system will oscillate if the block-spring system released from rest at a vertical position that is not the system's equilibrium position. The student measures the velocity of the block as a function of time as the system oscillates, as shown in the graph. The spring constant of the spring is most nearly - (correct): 2.6
A student must use an object attached to a string to graphically determine the gravitational field strength near Earth's surface. The student attaches the free end of the string to the ceiling and pulls the object-string system so that the string makes an angle of 5 degrees from the object's vertical hanging position. The student then releases the object from rest and uses a stopwatch to measure the time it takes for the object to make one complete oscillation. Which of the following
is the next step that will allow the student to determine the gravitational field strength? - (correct): Repeat the experiment by changing the length of the string for multiple trials.
Student X attaches an object of mass M to the end of a string of length L so that a pendulum is constructed. Student Y attaches an object of mass M to a string of length 4L to construct a second
pendulum. Which of the following claims correctly compares the period of Student X's pendulum with the period of Student Y's pendulum? - (correct): The period of Student X's pendulum is half the period of Student Y's pendulum.
The gravitational field strength near Jupiter's surface is nearly 2.53 times greater than the gravitational field strength near Earth's surface. Which of the following claims is correct about
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