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A double convex lens has 10cm and 15cm as its 2 radii of curvature. The image of an object placed 30cm from the lens is formed at 20 cm from the lens on the other side.Find the refractive index of the
A) At what distance from a 10W point source of electromagnetic waves is the electric field amplitude 120V/m ? B) At what distance from a 10W point source of electromagnetic waves is the electric
A simple Harmonic oscillator begins its motion from maximum positive displacement when a certain clock reads t=0.00s.The period of the simple harmonis oscillator is 2.00 s. When the given clock reads
A 0.55 kg mass sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (with k = 850 N/m) whose other end is fixed.The mass has a kinetic energy of 17.0 J as it pass
A cord is used to vertically lower an initially stationary block of mass M = 15 kg at a constant downward acceleration of g/8.When the block has fallen a distance d = 5.5 m, find the work done by the
A velocity selector is used in a mass spectrometer to produce a beam of charged particles with uniform velocity.Suppose the fields in a selector are given by E?=(2.369?104V/m)x^ and B?=Byy^.
When a 45.0-V emf device is placed across two resistors in series, a current of 15.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel
A bare cubical reactor of side a = 314.16 cm is operating at a steady state power of 200 MW. If the origin is taken at the center of the reactor,and the reactor sides are parallel to the coordinate ax
Two vibrations at right angles to one another are described by the equations.x =10 cos(5pi(t)).y= 10cos(10pi(t)-i/3) \(undefined\).construct the Lissajous figure of the combined motion.
A 106 kg object moves in a horizontal straight line with an initial speed of 58 m/s. If it is stopped along that line with a deceleration of 2.00 m/s2.what magnitude of force is required?.What distanc
A closed, frictionless, piston-cylinder assembly contains 4 lbm of H20. Beginning with an initial volume of 10 ft^3, the H2O is compressed slowly until the volume has been reduced to 10 percent of the
A rigid, closed, insulated container with a volume of 45 ft^3 is filled with carbon dioxide at a pressure of 14.7 psia and a temperature of 90 degrees F. A 100-W electric-resistance heater inside the
The following four expressions are representing simple harmonic motion in one dimension.x(t)=C1e^(jwt) +C2(-ewt).x(t) = B1 cos(wt) + B2 sin(wt).x(t)=Acos(wt+phi).x(t)=ReCe^(jwt).Find out what the cons
An isolated cylindrical capacitor consists of two concentric conducting cylinders of length L. The innder cylinder has a radius Ra and the outer cylinder has a radius Rb. The indder conductor has a ch
Two charged particles are located along the x-axis, +4uC at the origin (0,0) and -8uC at the point (2m,0).Derive an equation for the magnitude and direction of the electric field along the x axis. (Hi
How close can two protons get is one is at rest and the other has a kinetic energy equal to the average energy at T=10^7 K.What is the wavelength of the moving proton and how does it compare with the
A roller-coaster car has a mass of 1170 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 20 m, its speed is not changing.At the top of the hill, what i
Calculate the ratio of the drag force on a jet flying at 1140 km/h at an altitude of 10 km to the drag force on a prop-driven transport flying at half that speed and altitude. The density of air is 0.
Two gliders are moving on a horizontal frictionless air track. Glider 1 has mass m1 = 194.3 g and is moving to the right (positive x-direction) with speed 2.277 m/s. Glider 2 is moving to the left (ne
The electron-volt, eV, is a unit of energy (1eV = 1.602 ·10–19 J, 1 MeV = 1.602 ·10–13 J). Since the unit of momentum is an energy unit divided by a velocity unit,
In a classical harmonic oscillator, a particle with energy E moves (oscillates) in the "classically allowed region":\(|x| <= \sqrt{\frac{2E}{m\omega^{2}}}\) (less than or equal to) \(unde
A particle (M1 = 1.99 kg) moving at 30.0° downward from the horizontal with v1 = 2.25 m/s hits a second particle (M2 = 2.99 kg), which is at rest. After the collision, the speed of M1 is reduced t
The complex amplitudes of a monochromatic wave of wavelength "Lambda" in the z=0 and z=d planes are f(x,y) and g(x,y), respectively.Assuming that d = 10^4(Lambda), use harmonic analysis to determine g