An object is discovered near the earth with values of 2E/m = 2.12 × 107 m2/s2 and L/m = 7.8 × 1010 m2/s. This object is in what kind of orbit around the earth?
A. Elliptical
B. Parabolic
C. Hyperbolic
C. Hyperbolic
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Energy Levels: A highly ionized atom with Z = 5 has only one electron left around it, in its ground state. How much more energy is required to finish the job and have a bare nucleus?
A. 340.0 eV B. 68.0 eV C. 10.9 eV D. 13.1 eV
______ is another term for podcast.
A. radiocast B. audiocast C. webcast D. showcast
A 5.0-g lead bullet traveling in 19.0°C air at 300 m/s strikes a flat steel plate and stops. What is the final temperature of the lead bullet? (Assume the bullet retains all heat.) The melting point of lead is 327°C. The specific heat of lead is 0.128 J/g/°C. The heat of fusion of lead is 24.5 J/g
a. 278°C b. 186°C c. 445°C d. 327°C e. 371°C
The velocity of a wave is independent of the properties of the medium in which it travels
Indicate whether the statement is true or false