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Copper with a mass of 300 g initially at 200 degree Celsius is added to water with an initial temperature of 10 degree Celsius and mass of 500 g. What is the final temperature of the system when they are in equilibrium?
A 6.250 keV x-ray photon strikes a carbon atom and is scattered with a Compton scattering with one of the carbon’s electrons. The energy of the scattered photon is measured to be 6.175 keV. What is the wavelength of the scattered photon? During what ..
A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction grating with a slit spacing of 1.70 × 10-4 cm
x = 2 + 3t - t^2, Where x is in meters and t is in seconds, Determine At the time is the object at rest
Planet Z is 1.00×104km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2. What is the mass of Planet Z
the potential of a typical storm cloud can be as high as 109 volts. when lightning is produced a typical lightning
A capacitor is connected to an ac generator that has a frequency of3.7 kHz and produces a voltage of1.9 V. The current in the capacitor is 32 mA. What voltage does the second generator produce
A vacuum cleaner is plugged into a 120.0-V socket and uses 4.1 A of current in normal operation, Find the coil resistance of the motor
alpha particles of energy 9.4 mev are incident on a silverfoil of thickness 6.8m. for a certain value of the impact
In fair weather, over flat ground, there may be a downward electric field of 125 N/C. find the total charge on the Earth and the charge per unit area
A typical hospital accelerator built for proton beam therapy accelerates protons from rest by passing them through and electric potential difference of magnitude 62MV. find the lorentz factor for these protons
A horizontal spring, with spring constant k, has a mass, m,attached to it and is vibrating horizontally on a friction less surface. Which one of the following statements is CORRECT?
a 1cm-tall object placed 20cm front of a concave mirror produces a virtual image that is twice the height of the object. what is the length of the mirror
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