The rings of Uranus were discovered from Earth when the planet passed in front of a star
Indicate whether the statement is true or false
TRUE
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The first asteroid to be discovered was Ceres. It is the largest and most massive asteroid in our solar system’s asteroid belt, having an estimated mass of 3.0 x 1021 kg and an orbital speed of 17,900 m/s. Determine the amount of kinetic energy possessed by Ceres.
When you flip a switch to turn on a light, the delay before the light turns on is determined by:
a. the speed of the electric field moving in the wire. b. the drift speed of the electrons in the wire. c. the number of electron collisions per second in the wire. d. none of these, since the light comes on instantly.
If a constant non—zero force is applied to an object, its velocity will certainly ________
a. change b. stop c. be zero d. be constant e. equal acceleration
LC Circuits: What capacitance is needed in series with a 3.7-mH inductor so the circuit will oscillate at a frequency of 1000 Hz?
A. 0.15 mF B. 15 ?F C. 6.8 ?F D. 0.015 ?F