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A simple pendulum is 5.00 m long. (a) What is the period of simple harmonic motion for this pendulum if it is located in an elevator accelerating upward at 7.00 m/s2? s (b) What is its period if the elevator is accelerating downward at 7.00 m/s2? s (c) What is the period of simple harmonic motion for the pendulum if it is placed in a truck that is accelerating horizontally at 7.00 m/s2? s
A person blows into a rubber tube connected to one arm of a manometer containing glycerin of relative density 1.260. what is the gauge pressure of the air in the person's lungs
Consider a cargo ship, with a mass of 5.0×10^8kg . If it is pushed by a tugboat motor (force 8.0×10^6 N), what will be the magnitude of its acceleration
Consider diving 30.0m below the surface of the ocean (density 1.03 grams/cc). what is the gauge pressure at that depth
Review Conceptual Example 7 as background for this problem. Determine the magnitude of the momentum of each photon
An observer on the ground watches the boy throw the can and catch it. In this observer's ground frame of reference, explain the shape of can's path and determine the initial velocity of the can.
A yo-yo has a rotational inertia of 910 g·cm2 and a mass of 120 g. Its axle radius is 3.8 mm and its string is 100 cm long. The yo-yo is thrown so that its its initial speed down the string is 1.1 m/s.
A capacitor has parallel plates of area 12cm^2separated by 2.5 mm. The space between the plates is filled with polystyrene (K=2.6,Em=2.0*10^7 V/m). Find the permittivity of polystyrene
Suppose a cube of aluminum which is 1.00 cm on a side accumulates a net charge of +2.30 pC. By what percentage has the mass of the cube decreased
A diver proposed using a plastic bag full of air, immersed in water, as an underwater lens. what shape should the air pocket have
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
Light of wavelength 568.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 62.5 cm from the slit. What is the width of the slit
A helicopter is ascending vertically with a speed of 5.73m/s . At a height of 114m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the hel..
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