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The spectral lines of various elements are detected from agalaxy in constellation ursa major. an ultra violet line fromsingly ionized calcium of wavelength 393nm is observed at 414nm. At what speed is this galaxy reading from earth?
q1. the coefficient of static friction between the 3000 lb cars tires and the road is 0.5. determine the steepest grade
Water is pumped into a storage tank from a welldelivering 23.0 gallons of waterin 35.0 seconds through a pipeof 1.00 in.2 cross-sectional area. What is theaverage velocity of the water in the pipe as the water is pumpedfrom the well?
A neutron (mass 1 u) strikes a deuteron (mass 2 u) and the two combine to form a tritium nucleus. What was the velocity of the deuteron
A real heat engine working between heat reservoirs at 970. K and 650. K produces 550. J of work per cycle for heat input of 2200. J. Calculate the total entropy change of the universe
At each point on the surface of the cube shown in Fig. 23-27, the electric field is parallel to the z axis. The length of each edge of the cube is 3.2 m. On the top face of the cube the electric field is in the negative z direction and has a magni..
A 1.2 kg wood block is launched up a wooden ramp that is inclined at a 24° angle. The block's initial speed is 13 m/s. What vertical height does the block reach above its starting point
Assume that a 6 volt energy source is in a circuit that has a resistance of 10ohms. Determine the current and power
According to the universal law of gravitation the gravitational force on a small mass at the surface of the Earth is proportional to the product of the mass and the mass of the Earth and inversely proportional to the square of the distance between..
The speed of electromagnetic waves (which include visible light, radio, and x rays) in vacuum is 3.0 x 108 m/s. Wavelengths of visible light waves range from about 400 nm in the violet to about 700 nm in the red. What are the (a) minimum and (b) m..
In each of the following cases, the mass is 7.83 kg and the radius is 7.50 cm. What is the moment of inertia (kg m^2) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylin..
A person whose eyes are 1.7 m above the floor stands in front of a plane mirror. How far above the floor should the bottom edge of the mirror be placed
The speed of an ion in a particle accelerator is doubled from 0.400c to 0.800c. Determine the final relativistic momentum of the ion
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