Gamma-ray bursts seem to come primarily from neutron star binaries in the plane of our own Milky Way Galaxy
Indicate whether the statement is true or false
FALSE
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What is exceptional about the rotation of Hyperion? Give a possible explanation
What will be an ideal response?
A converging lens with the same curvature on both sides and focal length 25. cm is to be made from crown glass (n = 1.52). What radius of curvature is required for each face?
What will be an ideal response?
Compared to a single lamp connected to a battery, two lamps connected in parallel to the same battery will carry
A) more current. B) less current. C) the same current.
A tungsten wire is 1.50 m long and has a diameter of 1.00 mm. At 20°C a current of 50 mA flows through this wire
The temperature coefficient of resistivity for this tungsten is 4.5 × 10-3/C°, and its resistivity at 20°C is 5.6 × 10-8 ? ? m. (a) What is the potential difference across the ends of this wire at 20°C? (b) If the wire temperature increases by 100 C°, what potential difference across its ends is now required to produce a current of 50 mA?