Widmanstätten patterns are mostly seen in stony meteorites
Indicate whether the statement is true or false
False
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A 1200 kg car is traveling at 3.00 m/s and strikes a wall. The 1200 kg car bounces off the wall with a velocity of 4.00 m/s. If the contact with the wall by the car lasts for 0.10 seconds, then the average force on the car is
A. 46,000 N. B. 55,000 N. C. 63,000 N. D. 75,000 N. E. 84,000 N.
The most important conclusion to be drawn from the Michelson-Morley experiment is that
A. the speed of light is influenced by the direction of motion. B. the Earth is not an inertial reference frame. C. the Earth's orbital speed around the Sun is constant. D. light does not travel through a luminiferous ether.
Reptiles evolved from amphibians about
A) 475 million years ago B) 542 million years ago C) 360 million years ago D) 245 million years ago
When a capacitor is fully charged, the current through the capacitor in a direct-current circuit is
a. zero. b. at its maximum value. c. equal to the current in a resistive circuit in parallel with the capacitor circuit. d. greater than the current in a resistor that is farther from the battery than the capacitor. e. zero if it is the only capacitor, but maximum if there is another capacitor in series with it.