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Two periodic waves interfere somehow. Both waves have the same frequency and wavelength. If one wave has an amplitude of 10 and the other has an ampltiude of 5, what is the range of amplitue of the resulting wave?
A 1.9cm × 1.9cm × 1.9cm box with its edgesaligned with the xyz-axes is in the electric field E? =(360x+150)i^N/C, where x is in meters
Neutron Scattering Show that if a neutron is scattered through 90° in an elastic collision with an initially stationary deuteron, the neutron loses 23 of its initial kinetic energy to the deuteron. (In atomic mass units, the mass of a neutron is 1.0 ..
A concave makeup mirror is designed so that a person 26 cm in front of it sees an upright image magnified by a factor of two
300 g of water at 45°C are poured into an 800-g aluminum container with an initial temperature of 10°C. The specific heat of aluminum is 900 J/(kg·K). What is the final temperature of the system
A laser beam is incident on two slits 0.100 mm apart and a screen is placed 4 m from the slits. what is the wavelength of the laser light
On a sunny morning in a ?eld, the atmospheric pressure is 10N/m and the temperature is 279 K. How much heat must be added to the air in the balloon to initiate the ?ight
An electron is confined in a one-dimensional box. Two adjacent allowed energies of the electron are 2.8x10^-19 J and 3.5x10^-19 J. What is the length of the box
a jetliner is moving at a speed of 270 km/h. the plan then decelerates at 4.5 m/s2. what is the minimum runway length on which this aircraft can land
A block is on a horizontal surface (a shake table) that is moving back and forth horizontally with simple harmonic motion of frequency 2.3 Hz. How great can the amplitude of the SHM be
In a science fiction movie, a 100 g base ball travelling with a speed of 60 m/s and an electron travelling at a speed of 1.2 x 10^7 m/s, determine the momentum of the base ball
A golf ball is sent flying at an angle of 35 degrees for a total flight time of 5 seconds. Landing at the same level from which it took off, what was the horizontal distance in feet traveled by the ball
A skid mark has length 25 m. You measure the coefficient of friction between the tire and road as 0.50. determine the initial speed of the car
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