Running water played a major role in shaping Mars in ancient times
Indicate whether the statement is true or false
TRUE
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Which of the following is true of the Jovian planets?
A) They grew by gravitational collapse. B) They did not form from the solar nebula. C) They developed very slowly. D) They did not undergo differentiation.
A long solenoid (diameter = 5.0 cm) is wound with 960 turns per meter of thin wire through which a current of 300 mA is maintained. A wire carrying 12 A is inserted along the axis of the solenoid. What is the magnitude of the magnetic field at a point 2.0 cm from the axis?
a. 0.41 mT b. 0.48 mT c. 0.38 mT d. 0.56 mT e. 0.24 mT
The walls of an ice chest are made of 2.00 cm thick styrofoam with a thermal conductivity 0.0300 W/m?K
The total surface area of the ice chest is 1.20 m2. If 4.00 kg of ice at 0.00°C are placed in the chest and the temperature outside the chest is 20.0°C, how long does it take the ice to melt? Remember that the latent heat of fusion of water is 79.6 cal/g. A) 4.22 hours B) 22.1 hours C) 17.6 hours D) 1.33 days E) 10.3 hours
What are the SI units of momentum?
a. kg m/s c. joules b. pascals d. watts