Which of the following scenarios would NOT demonstrate the usefulness of a spacetime diagram?
All of the answers above are true demonstrations of the usefulness of a spacetime (or Minkowski) diagram.
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Mass on a Spring: A 0.50-kg object is attached to an ideal spring of spring constant (force constant) 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what distance from the equilibrium position are the kinetic energy and potential energy of the system the same?
A. 0.017 m B. 0.029 m C. 0.12 m D. 0.17 m
A 120-V rms signal at 60 Hz is applied across a series combination of a 30-mH inductor and a 100-? resistor. What is the rms value of the voltage across the resistor?
A) 120 V B) 60 V C) 100 V D) 150 V E) 0.70 V
How many nucleons would you expect a nucleus to contain if its diameter is 13.4 fm?
What will be an ideal response?
Fast moving, turbulent streams are highly erosive, they can
A) carry large sediment particles and a large volume of sediment. B) meander and flood into deltas. C) deposit only fine silts and muds. D) form U-shaped valleys from gullies.