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The rogue starship Galaxa is being chased by the battle-cruiser Millenia. TheMillenia is catching up to the Galaxa at a rate of 0.650c when the captain of the Millenia decides it is time to fire a missile. First the captain shines a laser range finder to determine the distance to the Galaxa and then he fires a missile that is moving at a speed of 0.435c with respect to the Millenia. What speed does the Galaxa measure for the missile as they both approach the starship? Give answer as multiple of c.
Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string? (b) What is the wave speed when the suspended mass is 1.7 kg?
A child stands with each foot on a different scale. The left scale reads 200 N and the right scale reads 150 N. The acceleration due to gravity is 9.8 m/s2. What is her mass
Outline what you know about Plasmonics? Outline what you know about Raman spectroscopy and surface enhanced Raman spectroscopy?
Two radio waves are used in the operation of a cellular telephone. To receive a call, the phone detects the wave emitted at one frequency by the transmitter station or base unit. determine the difference between the two frequencies used in the oper..
A periodic wave is produced in a stretched string by a mechanical oscillator operating at a frequency of 420. Hz. The linear density of the string is 0.00400 kg/m and the wavelength is 0.0700 m. Calculate the tension in the string.
A 55.8-kg high-school student hangs from an overhead bar with both hands. What is the tension in each arm when the arms make an angle of 38.00 o with respect to the vertical
A 200 kg cart moving 5 m/s to the right collides with a 150 kg cart moving to the left at 4 m/s. After the collision, the carts stick together. find the velocity with which the carts move off after the collision (speed and direction).
You want to support a sheet of fireproof paper horizontally using only a vertical upward beam of light spread uniformly over the sheet. There is no other light on this paper. The sheet measures 22.0cm by 28.0 cm and has a mass of 1.50g.
A coil with magnetic dipole moment 1.5 A-m^2 is rotated initally with its magnetic moment parallel to a uniform magnetic field of 0.4T. what is the change in potential energy of the coil
The distance between the first and fifth minimum on a screen 60 cm behind the slits is 6.0 mm. What is the wavelength of the light used in this experiment.
a student throws a ball vertically upward such that it travels 7.0 to its maximum height.if the ball is caught at the
Evaluate the stability of of Na in the NaCl structure
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