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A uniform thin rod of length 0.60 m and mass 3.0 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is a rest when a 3.0-g bullet traveling in the horizontal plane of the rod is fired into one end of the rod. As viewed from above, the direction of the bullet velocity makes an angle of 60° with the rod (see the figure). If the bullet lodges in the rod and the angular velocity of the rod is 9.0 rad/s immediately after the collision, what is the magnitude of the bullet's velocity just before impact?
An iron tower in is 304 meters tall on a cold day (T = -9 degrees Celsius). What is its height of the tower on a hot day when the temperature is 34.6degrees Celsius
A single human cell encloses about 1.5m of DNA containing4.5 billion base pairs. What is the spacing between these base pairs in nanometers
a heat engine operating between 40 C and 380 C has an efficiency 60% of that of a Carnot engine operating between the same temperatures. at what rate does it exhaust heat
A helicopter has two blades, each of which has a mass of 270 kg and can be approximated as a thin rod of length 6.7 m. The blades are rotating at an angular speed of 54 rad/s. (a) What is the total moment of inertia of the two blades about the axis o..
First discuss how energy can be converted from one form to another, giving specific examples. Define what we mean
A nonconducting spherical shell, with an inner radius of 4 cm and an outer radius of 6 cm, has charge spread nonuniformly through its volume between its inner and outer surfaces. The volume charge density ? is the charge per unit volume, with the ..
A laser beam of wavelength 580nm is incident normally on a transmission grating having 410lines/mm
A swimmer looks upward from the bottom of a 3.0-m-deep swimming pool. How far from the swimmer does the board appear to be
Two particles with masses 2m and 5m are moving toward each other along the x axis with the same initial speeds vi. Find the final speeds of the two particles in terms of vi. particle 2m
a 0.50 t magnetic field is perpendicular to a circular loop of wire with 53 turns and a radius of 15 cm. if the
One end of an iron poker is placed in a fire where the temperature is 495°C, and the other end is kept at a temperature of 27°C. The poker is 1.2 m long and has a radius of 5.0 multiplied by 10-3 m. Ignoring the heat lost along the length of the p..
An object is placed in front of a converging lens in such a position that the lens (f = 14.0 cm) creates a real image located 28.0 cm from the lens. What is the image distance of this new image
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