Physics
It's actually 2.63cm.
Physics
If the puck had twice the height, how would the submerged depth change? If the puck had twice the radius, how would the submerged depth change?
Physics
A cylindrical wood puck (density = 0.75 g/cm3 ) is placed into a water bath. The density of water is 1.0 g/cm3. The wood puck has a diameter of 11.0 cm and a height of 3.5 cm. When the puck reaches equilibrium in the water bath, how far below the surface of the water will the ...
Physics
A balloon with a mass of 90 kg is filled with helium (density = 0.179 kg/m3). The balloon is spherical and has a diameter of 11.0 m. What is the maximum mass that can be attached to the bottom of this this helium balloon, for it to be able to fly? The density of air is 1.29 kg...
Physics
Suppose you pour water into a container until it reaches a depth of 12 cm. Next, you pour in a 25-cm-thick layer of oil so that it floats on top of the water. The density of the oil is 0.92 g/cm3 and that of water is 1.00 g/cm3. What is the pressure at the bottom of the contai...
Physics
A metal surface is struck with light of wavelength 430 nm releasing a stream of electrons. If the 430 nm light is replaced by 380 nm light of the same intensity, what is the result? a. no change to the emitted electrons b. emitted electrons are more energetic c. m...
Physics
The kinetic energy of a massive particle is equal to the energy of a photon. The massive particle moves at 1.49 % the speed of light.   What is the ratio of the photon wavelength to the de Broglie wavelength of the particle? ...
Physics
Observing electron interference through an ordinary macroscopic two-slit experiment would be extremely difficult and would require very slowly moving electrons. (Slow for an electron means < 10^3 m/s.)  How slowly would electrons have to move throu...
Physics
An X-ray scattering from an electron with negligible initial kinetic energy is observed to undergo a change in wavelength by 2.561 pm. i.e. The scattered X-ray photon has a wavelength 2.561 pm larger than the incident X-ray photon.  Find ...
Physics
An X-ray scattering from an electron with negligible initial kinetic energy is observed to undergo a change in wavelength by 2.561 pm. i.e. The scattered X-ray photon has a wavelength 2.561 pm larger than the incident X-ray photon.  Find ...
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