Most of the Earth's carbon dioxide
A) has dissolved in the oceans and is locked up in sedimentary carbonate rocks like limestone
B) is present in the atmosphere
C) has escaped into space
D) has been destroyed in the atmosphere by solar radiation
A
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A highway curve has a radius of 0.14 km and is unbanked. A car weighing 12 kN goes around the curve at a speed of 24 m/s without slipping. What is the magnitude of the horizontal force of the road on the car?
A. 12 kN B. 17 kN C. 13 kN D. 5.0 kN E. 49 kN
A 23 kg mass is connected to a nail on a frictionless table by a massless string 1.3 m long. There is no appreciable friction between the nail and the string
If the tension in the string is 51 N while the mass moves in a uniform circle on the table, how long does it take for the mass to make one complete revolution? A) 5.2 s B) 4.8 s C) 3.8 s D) 4.5 s
Two slits separated by 0.10 mm are illuminated with green light (? = 540 nm). Calculate the distance (in cm) from the central bright-region to the fifth bright band if the screen is 1.0 m away
a. 2.3 b. 2.5 c. 2.7 d. 2.1 e. 2.0
What is the formation from intrusive to extrusive rock?
What will be an ideal response?