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Solve the all parts of given question:
Question: A large tree trunk is floating in the sea. The density of the sea water is 1020 kg/m3, the density of the trunk is 730 kg/m3.
Part A- What fraction of the trunk's volume is above the surface of the water?
Please use as much detail as possible in your answer. Thank you.
An electron is released to accelerate from point 1 to point 2 in a potential region. The electric potentials at these points are V1 = -35 V and V2 = +200 V. Calculate the change in potential energy of this electron
questiona known toy consists of an aligned row of identical steel balls that are suspended bynbspmono?lament so they
A wire is 1.50 m long and has a diameter of 1.50 mm. The tensile modulus of the wire is 6.20 x 1010 N/m2. what is the increase in length of the wire
A capacitor is constructed with plates of area A and separation s. The area between the plates is ?lled with a weakly ionized gas — a very poor conductive medium with resistivity = 10^8 ohms * cm. The density of the gas is so low that it has no e?e..
The threshold of hearing in air corresponds to a frequency of 1000 Hz and an intensity of about 7.4 × 10^?13 W/m2. what is the corresponding maximum displacement
a diverging lens has a focal length of -32 cm. an object is placed 27 cm in front of this lens. calculate a the image
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 4.0 m/s, How long does it take him to catch his opponent
A worker pushed a 27 kg block 7.6 m along a level floor at constant speed with a force directed 32° below the horizontal. What was the increase in thermal energy of the block-floor system?
Kim says that she was less than 10 ft away from the president when she took a picture of him with her 53-mm focal length camera lens. How close was Kim to the president when she took the picture
A student's car stalls right in front of a speed bump while she is on her way to physics class. what is the size of the force pulling the car in lbs
Determine the power a car engine contributes to speeding the 1300 kilogram car up to a highway speed of 65.0 mi/h in 17.0 second
Calculate the Coulomb potential energy of a sphere with radius R0, uniformly charged throughout its volume with the charge Ze. Hint: calculate the total energy associated with progressive addition of thin, charged spherical shells that constitute the..
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