The cones provide us with the ability to see color. In addition they
A. are responsible for our night vision
B. are responsible for our peripheral vision
C. allow us to see fine detail in well lit conditions
C. allow us to see fine detail in well lit conditions
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An ideal gas is in contact with a heat reservoir to that it remains at a constant temperature of 300.0 K. The gas is compressed from 24.0 L to 14.0 L. The mechanical device that operating the piston to compress the gas expends 5.00 kJ of energy. How much heat flows between the gas and the heat reservoir?
A. -3.0 kJ B. -5.1 kJ C. -2.0 kJ D. -5.0 kJ
The Roche limit is the
a. distance from the Sun within which a planet cannot retain an atmosphere. b. minimum mass of an object in the solar system that would be classified as a planet. c. maximum separation distance between the Sun and a given planet. d. distance from Earth at which we lose radio communication with a satellite. e. distance from a planet within which a planet cannot hold itself together.
A defining feature of "pseudoscience" is
A) it is wrong. B) it does not use proper scientific methodology. C) Both of the above. D) it is unusual, or odd. E) All of the above.
The 1 560 kg solid steel door to a bank vault is 2.00 m high, 1.00 m wide and 10 cm thick. One hinge is 60.0 cm down from the top on the left hand side of the door. The other hinge is 30.0 cm up from the bottom. What horizontal force, in what direction, does the door exert on the lower hinge?
a. 6 950 N, left b. 6 950 N, right c. 7 640 N, left d. 7 640 N, right e. 15 300 N, left