Moment of inertia of the wagon wheel for rotation
A wagon wheel of 0.90 m diameter comprises of a thin rim having a mass of around 8.00 kg and six spokes each encompassing a mass of around 1.20 kg. Find out the moment of inertia of the wagon wheel for rotation around its axis.
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The two spacecraft fly away from Earth, traveling in precisely opposite directions. As evaluated by an observer on Earth, spacecraft A travels at a speed of around 0.392c and spacecraft B travels at a speed of 0.882c. Find out the speed of spacecr
An unknown compound composed only of phosphorous and fluorine was analyzed to estimate its chemical formula in the following way: 0.2324 g of solid compound was placed in a 378-mL rigid vessel.
A box of 20.0 kg slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A force of 150 N is exerted to the box to pull it up the incline. The exerted force forms an angle of around 0.00 degrees to the incline. When the in
Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2energy level. Ionization energy is defined as the minimum energy required removing an electron from the ground state (n0) to infinity (n∞).
Estimate the quantity of heating needed to convert the water in four ice cubes (60.1 g each) from H2O(s) at0o C to H2O(g) at 100oC. The enthalpy of fusion of ice at 0o C is 333 J/g and the enthalpy of vaporization of liquid water at
Monthly overhead is $29,700 and every wakeboard costs $512 in materials and labor to make. If the items are sold for $579. Determine profit in dollars if 224 wakeboards are made and sold?
A study was conducted to find out the average MPG (miles per gallon) for four-cylinder cars with the manual transmissions. A sample of 20 cars was chosen, the mean MPG was calculated, and 99% confidence interval was obtained. The resulting confide
When 1.50 g of methanol (CH3OH) is burned in the same calorimeter, the temperature increases by 8.75 oC, an electrical heater is used to add 20.50 kJ of heat to a constant-volume calorimeter.
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An old, low quality, but free and interesting documentary: Zimbardo- Stanford Prison Experiment Documentary.