Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A wire is 0.79 m long and 1.5 mm2 in cross-sectional area. It carries a current of 6.0 A. If a 3.0 V potential difference is exerted between its ends. Compute the conductivity s of the material of w
Determine how long does it take electrons to acquire from a car battery to the starting motor? Suppose that the current is 280 A and the electrons travel via a copper wire having cross-sectional are
Determine the magnitude of the rms magnetic field of the gamma-ray pulse at the surface of magnetar, supposing that the pulse radiates evenly outward in all directions. (Suppose a year is 365.25 day
Beginning from rest, a car goes 15 meters to reach a velocity "v" at constant acceleration. Determine how many additional meters are needed to reach a velocity of "5v"?
A 1.50m diameter current loop having 170 turns of wire is set up so that the field at the center is precisely equivalent to the earth's field in magnitude however opposite in direction. Determine t
When the loop is positioned in a uniform magnetic field of magnitude 0.600 T, determine the maximum torque which can act on it? The resistivity of copper is around 1.7 x 10-8 m.
The coefficient of static friction among the wall and the rod is µs = 0.50. Find out the minimum distance, x, from point A at which an additional weight w (the similar as the weight of the rod
A diffraction pattern forms if light passes via a single slit. The wavelength of light is 680 nm. Find out the angle which situates the first dark fringe if the width of the slit is
Determine how long is the wavelength of KAJA radio whose broadcast frequency is 97.1 MHZ? (97.1 MHz is around 97,100,000 Hz and v = 300,000,00m/s)
A package of mass m suspends from a short cord which is tied to the wall through cord 1 and to the ceiling through cord 2. The cord 1 is at the angle of 40 degrees with the horizontal; cord 2 is at
Joe the whistle maker recognizes that the maximum volume for a whistle will take place if the length of the whistle is precisely 1/4 of the wavelength. When Joe must make a whistle which plays at a
Determine how much work W should be done on a particle having a mass of m to accelerate it from a speed of 0.895c to a speed of 0.990c?
A vigilant photographic survey of Jupiter's moon Io by the space craft Voyger I showed active volcanoes spewing liquid sulphur to heights of 70 km above the surface of this moon. When the value of g
Two protons (each having rest mass m =1.67 x 10^-27 kg are primarily moving with equivalent speeds in opposite directions. The protons continue to exist after a collision which generates an eta^0 pa
In order to encompass an initial acceleration of 1.7m/s^2, what rate should propellant mass be ejected from the rocket?
When it moves through the lab at 0.970 c, determine how far does it travel before decaying, as calculated in the lab?
The relativistic train having proper length 70 m passes via a tunnel with an appropriate length 50 m. At this speed, determine how much time elapses for a cross-country trip of 5000 km, as calculated
i) Write down a Hermitian operator for the product of the momentum and displacement of a one-dimensional simple harmonic oscillator.
A proton moving at 2.44 x 10^5 m/s elastically collides with the helium nucleus which is primarily at rest. Suppose that all of the motion is in one dimension. Find out the speed and direction of mo
The electron moves via a uniform magnetic field given by = Bx + (2.79 Bx). At a particular moment, the electron consists of velocity of 1.29+4.79 m/s and the magnetic force acting on it is (5.17 X 1
i) Determine how fast and in what direction are the cars moving following the collision? ii) Determine how much kinetic energy is lost in the collision?
The motion of a particle is expressed by the relation x = 5/3t^3 - 5/2t^2 - 30t + 8x, where x and t are defined in feet and seconds, respectfully. Find out the time, the position and the acceleratio
When an object is suspending from the mirror of the car by a string, find the angle which the string makes with the horizontal as the car drives around the curve.
At a point outside the sphere at a radial distance of 19.0 cm from the surface, the electric potential is 130 V. (The potential is zero much far from the sphere.) Determine the radius of the sphere,
The electric field at the surface of the bigger sphere is 630 kV/m. Determine the surface charge density on each and every sphere.