The neutrino was proposed by Pauli to overcome the apparent violation of which of the following conservation laws in beta decay?
A. energy
B. momentum
C. energy and momentum
D. charge
E. energy, momentum, and charge
C. energy and momentum
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Describe the central bulge of our galaxy
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Which of the following is not true of Mercury?
A) Even on Mercury's night side, the temperature is hot enough to melt lead. B) Mercury rotates exactly three times for every two orbits it makes around the Sun. C) Its surface is heavily cratered. D) Mercury has essentially no atmosphere.
A wire along the z-axis carries a current of 6.8 A in the +z direction. Find the magnitude and direction of the force exerted on a 6.1-cm long length of the wire by a uniform magnetic field with magnitude 0.36 T in the -x direction
What will be an ideal response?
The natural radioactivity in a typical human body is closest to
A. 0.2 per hour B. 12 per hour C. 12 per minute D. 4000 per second