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The central bright fringe in the single slit diffraction pattern from the light of wavelength 542 nm is 1.8 cm wide on a screen which is 1.05 m from the slit.
Given the average rate of the reaction is found to be 4.50 × 10-4 M/s, explain how long will it take the concentration to drop to 0.340 M? In the reaction A → products, the initial c
Determine the initial angular velocity of the fly-wheel if, after two minutes, the flywheel is rotating clock-wise at 250 rad/sec and the acceleration of the fly-wheel is a constant 4 rad/sec^2, clo
Calculate the maximum height, neglecting all the forms of friction, to which a car of mass 1000kg can be driven on the 1 gallon fuel given that the engine cylinder temperature is 2000 Celsius and th
Determine the (i) x-component and (ii) y-component of the velocity of the third part? (iii) Determine how much energy is liberated in the explosion? Avoid effects due to the gravitational force.
Colony starts with 5 bacteria, but 5 hours after starting of experiment, it has grown to 230 bacteria. Write the formula for number of bacteria as the function of time.
On a day when the atmospheric pressure was29.85 in Hg, he trapped some air in the tip of a J-tube and calculated the difference in the height of the mercury in the two arms of the tube (h).
We wish to evaluate the times of flight of two light beams; one in a tank of carbon tetrachloride (n = 1.46), the other in air (n = 1.0). When the path lengths are made the same, determine how long
If 33.5 mL of the acid solution are needed to neutralize the 25.0 mL of the base solution, the concentration of the NaOH in moles/liter is? A standard solution of 0.154 M HCl is used to explain the
The magnetic field is perpendicular to a circular coil of 5 turns and diameter 20 cm changes from +1.85T to -0.25 T in 30ms. Determine the change in magnetic flux and induced emf?
At 25 degrees Celsius if 205g of water absorbs the 295 kilojoules of heat from a mountain climber's stove at an elevation where the boiling point of water is 91 degrees Celsius.
A truck driver trying to deliver some furniture travels 8 km east, turns around and travels 3 km west, and then travels 12 km east to his destination. i) Determine what distance has the driver trave
In Detroit, Michigan, number of hours of sunlight on summer solstice is 13.65 and number of hours of sunlight on winter solstice is 9.067.
Throughout the motion a safety clamp exerted a constant force 17000n frictional force to the elevator. Determine the constant force of the spring must be.
Under the identical conditions, this pinhole will allow the 0.017 moles of argon gas to effuse every hour. Explain how long should you let the oxygen escape from the pinhole in order to reduce the p
The molar enthalpy change of vaporizing ethanol is 38.6 kJ/mol at the boiling point (78.4 °C); likewise, at-33.34 °C it takes 23.35 kJ/mol for ammonia to boil.
Describe the sub shell corresponding to the following sets of quantum numbers? An example of a sub shell is 2s.
In a RLC circuit, a second capacitor is joined in series with the capacitor before in the circuit. Determine the effect of this change on the impedance of the circuit?
The concentration of hydrogen peroxide in a solution is determined by titrating a 10.0 mL sample of the solution with permanganate ion under the acidic conditions, forming the manganese (II) ion and
Then the force (in Newton) applied by the expanding gas on the bullet is 15000 + 10000x – 25000 x2, where x is in meters. (i) Find out the work done by the gas on the bullet as the bullet travel
A mixture of butane and ammonium nitrate are placed into a steel cylinder and detonated. The product gases (CO2,H2O, N2) reach a temperature of 725oC. Determine the average kinetic energy per molecule
For the person at rest, velocity v (in liters per second) of airflow during the respiratory cycle. Determine time for one full respiratory cycle. B) Compute number of cycles per minute.
Determine the numbers of grams of each of the following substances will dissolve in 100 ml of cold water? Consult your hand book. Ce(IO3)4, RaSO4, PB(NO3)2, (NH4)2SeO4.
You encompass three mass arranged: M1 is 2kg at (-4m, 0), M2 is 2.5kg at (0, 2m) and M3 is 1.5kg at (4m,-2m). Where is the center of mass of the system? (Determine both the xCM and yCM.)
Explain how rapidly would the following particle be moving if it had the same wavelength as a photon of green light (λ = 500.0nm)? where an electron of mass 9.10939 x 10-28 g