One reason Earth's atmosphere contains substantially less carbon dioxide than Venus because carbon dioxide dissolves in water and is carried by rain to the surface where it reacts with rocks and forms carbonates.
Answer the following statement true (T) or false (F)
True
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(Ignore air resistance for this problem.) Two identical balls are thrown simultaneously from the top of a very tall cliff. Ball A is thrown downward with an initial velocity of 6 m/s, while ball B is thrown straight upward with an initial velocity of 9.8 m/s. After one second has elapsed, the
A. acceleration of ball A is upward. B. velocity of ball A is 9.8 m/sec2. C. velocity of ball B is zero. D. acceleration of ball A is greater than that of ball B. E. acceleration of both balls is zero.
An object is at rest on the equator. Estimate its acceleration relative to the center of the Earth in m/s²
1.less than 0.001 2.between 0.001 and 0.01 3.between 0.01 and 0.1 4.between 0.1 and 1 5.between 1 and 10 6.between 10 and 100 7.between 100 and 1,000 8.between 1,000 and 10,000 9.more than 10,000 10.Impossible to determine
A car of mass m goes around a banked curve of radius r with speed v
If the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to A) mg/2. B) mg. C) mg sin? . D) mv2/r. E) tan[v2/(rg)].
_____ is the largest moon in the Solar System
A) Ganymede B) Callisto C) Europa D) Io