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If a diffraction grating with 525 lines/mm is 0.843 m from a screen and the first order maxima of a particular wavelength of light is 0.252 m from the central maximum (measured along the surface of the screen), what is the diffraction angle? What is the wavelength of the light?
A 2110-kg test rocket is launched vertically from the launch pad. Its fuel (of negligible mass) provides a thrust force so that its vertical velocity as a function of time is given by v(t)=At+Bt^2, What was the initial thrust due to the fuel
One object is thrown vertically upward with an initial velocity of 100 m/s and another object with aninitial velocity of 10 m/s. What is the ratio of the maximum height reached by the first object to that of the second object?
A certain car is capable of accelerating at a rate of 10.60 m/s2. How long does it take for this car to go from a speed of 55 mi/h to a speed of 55 mi/h to a speed of 60 mi/h?
A 0.9m x 0.9m x 0.9m cube of nitrogen gas is at 15oC and 1.1 atm. Estimate the number of molecules in the cube with a speed between 700 m/s and 1000 m/s
Two point charges totaling 9.00 µC exert a repulsive force of 0.250 N on one another when separated by 0.537 m. What is the charge on each
To determine the radius of gyration of a tire, an engineer lets the tire roll down an inclined surface. what is the radius of gyration of the tire
A "biconvex" lens is one in which both surfaces of the lens bulge outwards. What is the focal length f of this lens in air
A patient is undergoing open-heart surgery. A sustained current as small as 25μA can be fatal. Assume that the heart has a constant resistance of 250Ω. Determine the minimum voltage that poses a danger to the patient.
A 0.380 kg steel ball makes an elastichead-on collision with a second ball initially at rest. What is the mass of the second ball
When a test charge of +8 nC is placed at a certain point, the force that acts on it has a magnitude of 0.128 N and is directed northeast. If the test charge were -4 nC instead, what force would act on it? What magnitude (N) and what direction (no..
A solid cylinder of radius 1.5 m has a uniform volume charge density of 15 C/m3. Find the magnitude of the electric field at 1.25 m from the axis of the cylinder. what will your gaussian surface be? Make a sketch of the solid cylinder and the gauss..
An 85 kg man is standing 3.5 m from the right end of a10.0 m long 175 kg platform suspended by a cable at each end. What is the tension in the right side cable
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