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Must show all work!!!! A Playground merry-go-rond has a radius of r=3.0m, calculate th angular velocity of the merry go round and child system when the child reaches the rim
An airplane is flying in a horizontal circle at a speed of 133.3 m/s. Banked for this turn, What is the radius of the circle in which the plane is flying
The RMS speed of oxygen molecules (O2) in this room is 535 m/s. What is the temperature of the air at this location
A large punch bowl holds 3.80kg of lemonade (which is essentially water) at 20.0?C. A 5.10×10?2-kg ice cube at -10.0?C is placed in the lemonade. What is the final temperature of the system
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. What is the net charge of all these electrons
A 24kg chimpanzee hangs from the end of a horizontal, broken branch of length L0 = 1.4m , What is the shear modulus for this branch
The deepest place in all the oceans is the Marianas Trench, where the depth is 10.9 km and the pressure is 1.10×10^8Pa. by how much does its volume decrease
A cylindrical flask is fitted with an airtight piston that is free to slide up and down, A mass rests on top of the piston. determine the final temperature of the gas
Two metal rods of equal length-one aluminum, the other stainless steel-are connected in parallel with a temperature of 24.0?C at one end, by what factor does the rate of heat flow change
Light from a heliom-neon laser (wavelength 632.8 nm) diffracts when incident on a hair of thickness 0.040 mm. What is the angular width of the central diffraction maximum
Find the final velocity of the combined mass after an in elastic collision 500g at 4m/s toward 300g 2 m/s and the change of KE
Write down the formula of the Hamiltonian used in a typical classical atomistic Molecular dynamics simulation. Describe the potential energy terms using only one Simple sentence for each term.
Future space stations will create an artificial gravity by rotating. What rotation period will provide "normal" gravity
A 34.7 m long aluminum wire at a temperature of 24.3 oC has a radius of 0.295 mm. what is the resulting current in the wire
Two small plastic spheres, one charged to 18nC and the other to ? 18nC , are connected by a 30-mm-long insulating rod. What is the maximum possible torque on the dipole
Yellow-green light(wavelength 550nm) passes through two closely spaced very narrow slits, what is the wavelength for that second source of light.
Must show all work and calculations!!!! A primitive yo-yo is made by wrapping a string several times around a solid cylinder with m=200g and r=10cm. Find the tension in the string and the accelerati
when a 2.75kg fan having blades 18.5 cm long is turned off, its angular speed decreases uniformly from 10 rad to 6.3 rad/s in 5 sec. Through what angle does it turn
A lens of focal length +1.25 cm is used as a simple magnifier by holding outside the eye. what is the angular magnification
Bob can see the drai at the bottom center of a water filled pol (n=1.33) that is 3.6 m wide by light emerging 18 degrees above the horizontal
A 57.4 g sample of a conducting material is all that is available. The resistivity of the material is 1.05 E-7 and the density is 6.09 g/cm^3. What will the diameter of the wire be
An 800kHz radio signal is detected at a point 6.6 kmdistant from a transmitter tower. The electric field amplitude of the signal at that point is 780mV/m. What is the magnetic field amplitude of the
The current in a 100 watt lightbulb is 0.720A. The filament inside the bulb is 0.240mm in diameter. What is the electron current in the filament
A high-voltage transmission line with a resistance of 0.265 %u2126/km carries a current of 1.25 kA. What fraction of the transmitted power does this loss represent
A 34.7 m long aluminum wire at a temperature of 24.3 oC has a radius of 0.295 mm. determine the current in the wire