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A convex lens with f1= 20.3cm is mounted 39.5cm to the left of a concave lens. When an object is placed 29.4cm to the left of the convex lens, What is the focal length f2 of the concave lens
You are given a four-wheeled cart of mass 19 kg, where the distance between a wheel and its nearest neighbors is 1.7 m. Find the weight on the nearer wheels of the cart under this load
A patient undergoing radiation therapy for cancer receives a 230-rad dose of radiation. Assuming the cancerous growth has a mass of 0.10kg , calculate how much energy it absorbs
A RC circuit is to be wired for testing using a 33 ohm resistor anda 100 mirco farad capacitor. The signal source is a squarewave generator, Calculate the expected time constant
A 50 kg motionless student stands adorably on a frozen friction surface. What is the velocity (vector) of the adorable student after catching the shot
The work function for Zinc is 4.31 eV. Find the cutoff wavelength for zinc and what is the lowest frequency of light incident on zinc
What is the phase angle in an RLC circuit with resistance of 9.90 k?, capacitance 1.50 ?F, and inductance 250 mH
An object with mass 3.7kg is executing simple harmonic motion, attached to a spring with spring constant 270N/m, find the maximum speed attained by the object
The compound gear to the right is located inside a truck, whose engine rotates the driving gear with a torque of 816 N·m. find the moments of inertia of both the large and small gears
A fission-based nuclear bomb (such as those used in World War II) uses the same nuclear reactions, What is the average power Pavg of such a nuclear bomb
a proton moves in a circle with a speed of 280 m/s through a uniform magnetic field of 2t directed perpendicular to the circular path. compute the orbital radius of the proton
A transformer on a utility pole operates at an Vp = 8:5 KV rms on the primary side and supplies electric power to a number of nearby houses at Vs = 120 V rms. What is the turn ratio, Np=Ns, of this
A glass fiber of index 1.50 is used to transmit light but is submerged in water of index 1.33. What is the critical angle for light to stay inside the optical fiber
A proton is propelled at 2 x 10^6 m/s perpendicular to a uniform magnetic field. If it experiences a magnetic force of 5.8 x 10^-11 N, find the strength of the megnetic field
An engineer is designing a runway for a new airport. Of the planes which will use the airport, the lowest acceleration rate will be 3 m/s2. Assuming the minimum acceleration, what is the minimum allo
Find the radius R of the star Rigel, the bright blue star in the constellation Orion, which radiates energy at a rate of 2.7×1032 W
A population of 500,000 around a nuclear facility receives an average wholebody dose of 0.5 rad as a result of an accidental release of radionuclides. Estimate the collective gonad dose received
Unpolarized light of initial intensity 26W/m^2 is passed through three polarizing filters polarizing filters. compute the intensity of the light after passing through all three polarizing filters
Coherent ligh of a wavelength 500nm passes through a narrow slit. In the single-slit diffraction pattern observed on a screen that is 4.0m from the slit, what will the width of the central maximum b
The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW. Find the peak magnetic field strength
Find the speed parameter and Lorentz factor for an electron that has a kinetic energy of 5.00 keV.
A wall is composed of two materials, material 1 has a thickness of 3.68 cm and a thermal conductivity of 0.1 J/msCo while material two has a thickness of 6.02 cm, what is the energy loss per second
A tank 2.30 meters in height is filled with water to a level of 2.10 meters. At the bottom of the tank a hose is attached. Find the velocity of the water coming out of the hose
A laser beam is incident on a 600 lines per millimeter diffraction grating. determine angular deflection of the first-order bright fringe
A ring of wire is dipped into a soap solution and it is held so that the soap film on the ring is vertical. compute the thickness of the film