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The detonation of a certain nuclear device results in a mass decrease of between the initial and the final ingredients. How much energy is released by this detonation?

The magnitude of the Poynting vector of a planar electromagnetic wave has an average value of 0.724 W/m2. What is the maximum value of the magnetic field in the wave? , , ε0 = 8.85 × 10-12 C2/N • m2)

The phase angle of an LRC series circuit with a capacitive reactance of 40 Ω, a resistor of 100 Ω and a certain inductor at 1000 Hz is 40.0°. What is the value of the inductance in this circuit?

A circular loop of diameter 10 cm, carrying a current of 0.20 A, is placed inside a magnetic field = 0.30 T . The normal to the loop is parallel to a unit vector = -0.60 – 0.80 . Calculate the magnitude of the torque on the loop due to the magnetic field.

A uniform magnetic field of magnitude 0.80 T in the negative z-direction is present in a region of space, as shown in the figure. A uniform electric field is also present. An electron that is projected with an initial velocity in the positive x-direction passes through the region without deflection. What is the electric field vector in the region?

What element has a Kα line with wavelength 1.46 × 10-11 m?

Which of the following statements about the strong nuclear force are correct? (There may be more than one correct choice.)

The image depicts the placement of three equal negative point charges at the corners of a square with side d. Which of the arrows points in the direction of the net electric field at the center of the square?

A series circuit consists of a 50-Hz ac source, a 50-Ω resistor, a 0.50-H inductor, and a 60-μF capacitor. The rms current in the circuit is measured to be 3.1 A. What is the voltage amplitude of the source?

In the figure, a straight wire carries a steady current I perpendicular to the plane of the page. A bar is in contact with a pair of circular rails, and rotates about the straight wire. The direction of the induced current through the resistor R is