A wood stove in the corner of a cabin causes the entire cabin to become heated because of heat conduction
a. True
b. False
Indicate whether the statement is true or false
False
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Refracting Telescope: The focal length of the objective lens of a telescope is 0.20 m and the eyepiece has a focal length of 1.6 m. What is the length of this telescope?
A. 8.0 m B. 1.4 m C. 0.90 m D. 1.6 m E. 1.8 m
Why did the discovery of Martian "blueberries" suggest the presence of water on Mars?
A. Plant life must have water to grow. B. They were found in an ancient seafloor on Mars. C. "Blueberries" on Earth form by the deposition of minerals in water. D. None of these choices is correct.
If the torque on an object adds up to zero
A) the forces on it also add up to zero. B) the object is at rest. C) the object cannot be turning. D) the object could be accelerating linearly but it could not be turning. E) the object could be both turning and accelerating linearly.
Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration, x is distance, and t is time)
a. v/t2 c. v2/t b. vx2 d. at