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The particle consists of a speed of 3 m/s on surface A. A non-conservative outside force is exerted to the particle and it moves to the surface B, arriving there having a speed of 4 m/s. Determine h
Determine the amount of ice melted and the final temperature if the mass of steam is 14 g and the mass of ice is around 53 g.
A grinding wheel having radius 0.380 m rotating on a frictionless axle is brought to rest by exerting a constant friction force tangential to its rim. The constant torque generated by this force is
When the filament of the bulb is a tungsten wire encompassing a radius of around 475 µm, determine the magnitude of the current density in the filament?
A loop of 42.0 cm diameter is rotated in the uniform electric field until the position of maximum electric flux is found. The flux in this position is around 5.20 x 105 N•m2/C. Find out the mag
A proton is projected in the positive x-direction into the region of uniform electric field E = -5.00 x 105 i N/C at t = 0. The proton travels 6.20 cm as it comes to rest. Find out the time interval o
The given charges are positioned within a submarine: 1.00 µC, -9.00 µC, 27.0 µC and -84.0 µC. (i) Compute the total electric flux via the hull of the submarine.
A tennis ball of .060 kg, primarily moving at a speed of 12m/s is struck through a racket causing it to rebound in the opposite direction at a speed of 18m/s. Find out the change in momentum of the
A 65 guitar string is fixed at both ends. In the frequency range among 1.0 kHz and 2.0 kHz, the string is found to resonate just at frequencies 1.0 kHz, 1.5 kHz and 2.0 kHz. Find out the speed of th
The horizontal distances among the center of mass of the brick and the centerlines of the cylinders are dA for cylinder A and dB for cylinder B. (iii) Find out is the ratio of dA/dB?
When the incident intensity on a 0.01M protein solution in a 1cm optical cell is decreased in the transmitted beam through a factor of 1500, find out the molar extinction coefficient of the protein
What happens when the two polarizers are interchanged keeping their axes orientation fixed? Does the transmitted intensity vary? Does the polarization direction of the transmitted beam vary?
Twenty loops of wire having a radius of 7.5 cm rotates around a diameter in the uniform magnetic field of 1.6 T. To generate a maximum emf of around 20.0 V, it must rotate at:
The two parallel-plate capacitors having different plate separation however the similar capacitances are joined in series to a battery. Both the capacitors are filled with air. The quantity that is
A dipole having dipole moment of 1.5 nC*m is oriented at 30 degrees to an electric field, 4.0*10^6 N/C. (i) Find out the torque on the dipole? (ii) Determine how much work is needed to rotate the di
A person's prescription for her new bifocal glasses calls for the refractive power of -0.500 diopters in the distance-vision part and a power of around 1.90 diopters in the close-vision part.
Determine what fraction of the incident intensity emerges from the Polaroid? When this beam is then incident on the second sheet of Polaroid having its transmission axis all along the vertical, find
The two point charges are separated through 10.0 cm and have charges of +3 µC and -3 µC, correspondingly. Determine the electric field at a point midway among the two charges?
The uncertainty in the energy of electron in a certain state is around 2 x 10^-25 J. Give the energy uncertainty in terms of eV and determine the uncertainty in the lifetime of the electron in that
Determine the binding energy of the hydrogen electron for states with the given principal quantum numbers.
A tank of carbon dioxide gas (CO2) of 22.7 L is at a pressure of 9.00 x 105 Pa and temperature of around 20.9°C. (i) Compute the temperature of the gas in Kelvin.
The current in an electron beam in the cathode-ray tube is computed to be 70 µA. Determine the number of electrons which strike the screen in 25 seconds?
A student forms a short electromagnet by winding 100 turns of wire around a wooden cylinder of diameter d = 2.0 cm. The coil is joined to a battery generating a current of 2.0 A in the wire. (i) Fi
The two positive point charges on the y-axis, each of which consists of a charge of around 5.0 x 10-9 C, are positioned at y = +0.40 m and y = -0.40 m. Determine the magnitude and direction of the r
A cyclist accelerates so that the tire goes from the angular speed of 1rad/s to an angular speed of around 3rad/s as he travels as he travels 18m on the road. (Suppose the tire rolls devoid of slipp