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There were half as many adults as children and students combined. Receipts totaled $5024. How many children were there in the show?
Determine how large a radius of curvature should a spectrometer have when these two molecules are to be separated on the film through 0.45 m?
If the specific heat capacity of nickel is 0.444J/oCg what mass of nickel was originally heated? Assume no heat loss to the surroundings. A sample of nickel is heated to 99.8oC and placed in a coffee-
Antarctica is roughly semi-circular, having a radius of about r = 2100 km. The average thickness of the ice cover is around h = 2700 m. Determine how many cubic centimeters of ice does Antarctica ha
Determine the mass of iron(II) ammonium sulfate hexahydrate (FeSO4 (NH4)2SO46H2O) needed to make the100 mL of 0.0500 mol/Lsolution
When the speed vsphere of the solid sphere at the bottom of the ramp is 1.85 m/s, then what would be the speed vcylinder at the bottom of the ramp?
Determine the maximum amount of sodium sulfate that can be added to the 1.00 L of 0.0020 M Ca(NO3)2 before precipitation of calcium sulfate begins? Ksp =2.4 × 10-5
After what time interval will the block begin to slip on the turn-table? (Hint: The normal force in this case equivalents the weight of the block.)
Calculate the percent by volume of the solution when a student dissolves 1.322 grams of a solute in water. The volume of the solution is 10.18mL.
If the heat capacity of the calorimeter and contents was 12.05kJ/oC, determine the value of q for burning 1.25 moles of benzene at the constant volume and 25.00oC? A sample of benzene, C6H6 weigh
Determine the gravitational force among the proton (1.67 x 10-27 kg) and the electron (9.11 x 10-31 kg) in a hydrogen atom when they are 4.00 x 10-10 m apart?
A sample which is having 25.5-g of an unknown metal is heated to 95.5°C and is placed in a insulated container containing the 174 g of water at a temperature of 21.0°C. After the meta
Assume that the G-string of a guitar is 3.7 m long and consists of a linear density of 87.7 mg/m. The thumb screw joined to the string is adjusted to give a tension of 3.5 kN. Determine the primary
Assume that we have tube which is closed on one end and open on the other similar to what you employed in Standing Waves lab. When this tube consists of plunger at the position 125.5 cm and 11 nodes
Determine to one decimal place and do not include the units with your answer. The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 x 103Calorie
Standing on a roof on July 4, you examine a burst of distant fireworks. You hear the explosion 7.49 s later. Determine how far (in km) are you from the point of the explosion? Suppose that the temp
Graph the following functionby by using transformations. Determine vertical and horizontal asymptotes. Express domain and range. f(x)= 1/(x-5)^3 +1.
The CaCO3 that precipitated was filtered and oven dried. A 4.38 g sample of the CaCO3 had radioactivity of 3.2d/min. Archeologists removed pieces of charcoal from a Native American campfire,
Determine the numbers of photons at the 660 nm must be absorbed to melt the 4.0 x102 g office? (Hint: It takes 334 J to melt 1 g of ice at 0°C.)
How does the energy of these fuels compare to that of octane (C8H18) (amount of heat released by octane (kJ/kg))? Which fuel contains the most energy in the least mass?
Suppose that a drop of mercury is an isolated sphere. Determine the capacitance in pico-farads of a drop which outcomes if two drops each of radius R = 5.61 mm merge?
The cost in million of dollars for city to clean p% of impurities from its water supply is provided by C= 325/100-p, where p is greater than zero and less than 100, determine cost of cleaning 90% of
If the string is pulled in the right direction on a window shade, a lever is released and the shaft that the window shade is wound around spins. When the angular acceleration of a 4.1 cm wide shaft
The combination of an exerted force and a friction force generates a constant net torque of 36.1 N • m on a wheel rotating around a fixed axis. The exerted force acts for 6.20 s. Throughout thi
Front wall is 11.5 feet tall and back wall is 18.6 feet tall. Determine length of roof line and depth of shed from front to back.