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Solve the following problem given below:
Problem: A rope holds a 10-kg rock at rest on a frictionless inclined plane of 30 degrees.
Part A- Determine the magnitude of the acceleration of the rock as it slides down the inclined plane if the rope breaks.
Please explain how you came to your conclusion. Thanks.
A commuter train blows its horn as it passes a passenger platform at a constant speed of 60.0 m/s. What is the frequency observed by a person on the platform as the train approaches
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