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A Gaussian sphere having radius 3.90 cm is centered on the ball which consists of a radius of 1.20 cm and a uniform charge distribution. The net electric flux via the surface of the Gaussian sphere
What would be the approximate increase in the temperature of water when a slice of pizza has 500 kcal, and if we could burn the pizza and use all the heat to warm a 50-L container of cold w
Total yearly interest on three bonds is $1,880. If total amount invested is $19,000, find amount invested at each rate?
How does the corresponding wave number of the electromagnetic wave change? Suppose you substitute hydrogen with deuterium: thesffective mass for the vibration changes from 1 amu to 2 amu.
A converging lens consists of a focal length of 10.0 cm. Locate the object when the real image is positioned at a distance from the lens of (i) 20.0 cm and (i) 50.0 cm. What if? Redo the computation
A rock is fully submerged in water. The rock experiences a buoyant force of around 111 N. Determine the weight of the water moved by the rock?
The grocer mixes peanuts which cost $2.69 per pound and walnuts which cost $4.29 per pound to make 100 pounds of the mixture which costs $3.49 per pound. How many pounds of every type of nut is put
If you use density heat test, test, copper wire test, ignition test and the acetone test to find out the PVS and PS how you could tell the polmer apart in three ways?
The life-time of the energy-efficient bulb is 10 000 h and its purchase price is $4.90, while the conventional bulb consists of lifetime 750 h and costs $0.46 per bulb. Find out the total savings ob
Calculate the molar concentration of Cu2+? The concentration of Copper (II) Sulphate in one brand of soluble plant fertilizer is .07% by weight. If a 24.5 g sample of this is dissolved in 2
If an automobile moves with the constant speed down a highway, most of the power developed by the engine is employed to compensate for the mechanical energy loss due to frictional forces applied on
Calculate the original concentration of Ag+? An excess KCl is added to 10.00 mL of a solution containing an unknown concentration of Ag+ ions, which results in the formation of 1.7316 g AgCl precip
While another customer purchased the dozen orchids and the half dozen African violets for the total of $51.00. Suppose no sales tax, determine the cost of every kind of flower.
A sample of a mixture containing only potassium chloride and sodium chloride has a mass of 4.000g. When this sample is dissolved in water and excess the silver nitrate is added, a white solid AgCl p
A charge of -2.500 μC is positioned at (2.810 m, 4.502 m), and a charge of 1.605 μC is positioned at (-2.682 m, 0). The electric potential at the origin is V = 1.14*103 V. There is one point o
1.6 g of lithium is mixed with 6.95 g of oxygen in a combination reaction. Which product is in excess? Determine the numbers of moles of product are produced?
An automobile having mass 2000 kg moving at 30 m/s, is braked all of a sudden, with a constant braking force of 10000N. Determine how far does the car travel before stopping?
Assuming the pressure is constant, what temperature is required to reduce the volume to 2.01 L when a sample of sulfur hexafluoride gas occupies a volume of 5.14 Lat 130.3°C.
The object is in front of the converging lens (f = 0.30 m). The magnification of the lens is m = 2.3. (i) Relative to the lens, in what direction must the object be moved so that the magnification mod
At sea-level a gas-filled weather the balloon with a volume of 45.0 L is released, where the prevailing conditions are 21.3°C and 758.2torr. The balloon can expand to a maximum volume of 900 L.
i) Compute the wavelength of light in vacuum which consists of a frequency of 6.3 x 1014 Hz. ii) Determine its wavelength in benzene? (The index of refraction of benzene is 1.501.)
Two gases, carbon dioxide (9.5 grams) and krypton (18.4 grams) are confined in a container at a pressure of 710 torr. Determine the partial pressure of krypton in torr.
An object is located 55 cm from a concave mirror of radius 47 cm. (i) Determine the location of the image. (Enter in cm. Employ a negative number when the image is behind the mirror)
At 7400 nm the P fund series of the hydrogen spectrum has as its longest wavelength component a line. Explain the electron transitions that form this series. That is, give a Bohr quantum number tha
You take out the 3-year, $7,000 loan at 8% simple annual interest. Lender charges you a $100 fee. Thinking of fee as additional interest, find actual simple annual interest rate you will pay?