Where are bedrock channels more likely to be found?
Ans: Bedrock channels are typically found in the headwaters of river systems where streams have steep slopes.
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A 10-N falling object encounters 4 N of air resistance. The net force on it is
A) 0 N. B) 4 N. C) 6 N. D) 10 N.
A bicycle is traveling north at 5.0 m/s. The mass of the wheel, 2.0 kg, is uniformly distributed along the rim, which has a radius of 20 cm. What are the magnitude and direction of the angular momentum of the wheel about its axle?
A) 2.0 kg • m2/s towards the west B) 5.0 kg • m2/s vertically upwards C) 2.0 kg • m2/s towards the east D) 5.0 kg • m2/s towards the east E) 5.0 kg • m2/s towards the west
The Moon probably formed at the same time that Earth formed, rather like the formation of a double planet
Indicate whether the statement is true or false
A pressure of 10.0 mm Hg is measured using a constant-volume gas thermometer at a temperature of 50.0°C. What is the pressure (in mm Hg) at the zero-point temperature?
a. 31.8 b. 11.8 c. 8.45 d. 54.6 e. 68.3