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a uniform rod of mass m and length l can pivot freely about a hinge attached to a wall, as in Figure 8-54. The rod is held horizontally and then released. At the moment of release, determined
(a) the angular acceleration of the rod, and
(b) the linear acceleration of the tip of the rod. Assume that the force of gravity acts at the center of mass of the rod as shown.
(c) What speed does the rod CM have at the instant it has a vertical position.
A boat has a mass of 6800 kg. Its engines generate a drive force of 4050 N, due west, while the wind exerts a force of 860 N, What is the magnitude and direction of the boat's acceleration
what is the equation for the mass moment of inertia of a mass rotating around a sliding hinge
What is the mass of the block on the left. At what rate is the plate's area increasing when the radius is 50 cm? (Give your answer correct to 2 decimal places.)
A brick has a mass of 1.10 kg. What is the brick's weight at the surface of the Earth, What is the mass of the bucket and water
A baseball player hits a triple and ends up on third base. A baseball "diamond" is a square, What is the magnitude of his displacement
A gold wire 5.72 long and of diameter 0.850 carries a current of 1.19. Find the resistance of this wire
The resolving power of a microscope depends on the wavelength used. If you wanted to "see" an atom, a wavelength of approximately 1 × 10-11 m would be required.
a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area
The magnetic force exerted on a 3.0-m segment of straight wire is 1.9 N. What is the angle between the wire and the magnetic field
A film of oil lies on wet pavement. The refractive index of the oil exceeds that of the water. what is the longest visible wavelength (in vacuum) for which the film will appear bright due to constructive interference
The speed of a sound in a container of hydrogen is 201K is 1220m/s. what would be the speed of sound if the temperature were raised to 405K? suppose that hydrogen behaves like an ideal gas.
An RL circuit with L = 3 H and an RC circuit with C = 5 µF have the same time constant, What is this common time constant
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