In 1908 there was a huge explosion referred to as the Tunguska event which occurred in Siberia. Apparently this was caused by a very large meteorite, a small asteroid, or a comet colliding with the Earth. If the energy released, estimated at 5 × 10^16 J, were from the kinetic energy of the object, what would have been its approximate mass if its speed had been 104 m/s?
a. 106 kg b. 109 kg
c. 1012 kg d. 1014 kg
b
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The moment of inertia about the x axis of the parallelogram in Problem 5.3 is:
(A) bh3/3 (B) 2bh3/3 (C) bh3/4 (D) bh3/2
A 3. ? resistor is connected in parallel with a 6. ? resistor. This pair is then connected in series with a 4. ? resistor. These resistors are connected to a battery
What will happen if the 3. ? resistor burns out, i.e., becomes an infinite resistance? A) The current in the 4. ? resistor will drop to zero. B) The current in the 6. ? resistor will increase. C) The current provided by the battery will not change. D) The power dissipated in the circuit will increase.
The central, completely dark portion of a shadow is call the ______________
Fill in the blank(s) with correct word
Exhibit 17-2
The figure below shows a sine wave on a string at one instant of time.
?
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Use this exhibit to answer the following question(s).
Refer to . Which of the graphs below shows a wave where the frequency and wave velocity are both doubled?
a.
