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An urban legend is that there are spy satellites which can be employed to read license plates on cars on the ground. Find out the minimum size of the telescope aperture needed to read a license plat
Determine how does the angular momentum vary as the masses are retracted from the completely extended position?
A certain telescope consists of a 5.0 inch diameter and an objective lens having focal length 1250 mm. i) Determine the f-number of the lens?
When a typical eyeball is 2 cm long and consists of a pupil opening that can range from 2 to 6 mm, determine: i) The focal length of eye if focused on objects 1.0 m away.
Determine the magnitude of the athlete's average force on the shot throughout the acceleration stage?
After this base-ball bounces off the ground and it consists of the same angle and speed it had originally. Determine the impulse that was exerted to the baseball in kg•m/s
A marble of 10g is gently positioned on a horizontal tabletop which is 1.75 wide. i) Determine the maximum uncertainty in the horizontal place of the marble?
A hydrogen atom at rest in the laboratory produces the Lyman α radiation. (i) Calculate the recoil kinetic energy of the atom.
A cylindrical electromagnet comprises of a uniformly magnetized core encompasses a magnetization of around 1.6 x 106 A/m, surrounded by a coil 19 cm long having 2730 turns of wire carrying a current
The magnetization vector of magnet is primarily at an angle of 30° with the direction of the external field. Determine the magnetic torque applied on the magnet?
A radio station is permitted to broadcast at an average power not to surpass 26 kW. If electric field amplitude of 0.019 V/m is considered to be adequate for receiving the radio transmission, approx
The two train running opposite at a speed of 30Km/hour. Suppose that distance between the two train is 60Km at specific moment. A bird (flying speed 60 Km/Hour) flies from one train to the other. De
You can avoid the rotational motion of the earth and asteroid around the sun. When the mission fails, determine how many hours is it until the asteroid impacts the earth?
Charge q1 = 15.0 nC is positioned at 59.5 cm from charge q2, in the positive direction. When q2 consists of a charge of -37.0 nC and is at the origin. Determine the point (in cm) all along the strai
Determine the speed of the blood in the aorta? Suppose that the speed of sound in human body is around1540 m/s
Demonstrate the good rule of thumb for designing a simple magnetic coil? Particularly, given a circular coil of radius ~1cm, determine the estimated magnitude of the magnetic field, in gauss per amp
When the smallest time change which can be reliably detected is 1.0 s, determine the smallest change in average temperature which can be measured?
Write down the condensed ground-state electron configurations of these transition metal ions, and state which are paramagnetic:
Determine ΔU for the process. Assume the gas behaves as a van der Waals gas under these conditions when a sample of 2.0 mol of N2 (Cv, m= 1.5R) is initially at 100 bar and 301.15K. The sample
Determine the activation energy for this reaction when heated to a high temperature, cyclo-propane is converted to propane; the rate constants for this reaction are 1.10 x 10-4 s-1 at 470o
Discuss what volume will 5.4 moles of sulfur hexafluoride (SF6) gas occupy if the temperature and pressure of the gas are 128°C and 9.4 atm?
Calculate the enthalpy of vaporization. For water, at its boiling point, the entropy of vaporization is118 J/(K mol). Assume a pressure of 1 atm.
A 0.4512g of the primary standard Na2CO3 needed 36.44mL of HCl solution to reach the endpoint in the reaction. How can obtain the molarity of HCl?
Identify the expected change in temperature for 3.5 g of NH4NO3dissolved in the 75.0 mL of H2O. Assume that the calorimeter absorbs no heat, ie: C cal=0
Analyze the average kinetic and potential energies,(Ekinetic) and (Epotential), for the ground state (n=0) of the harmonic oscillator by carrying out the appropriate integrations.