Why can't scientists put a rover on Venus like the ones on Mars?
What will be an ideal response?
Temperatures on the surface of Venus are over 470oC, hot enough to melt lead. Robotics would melt as well.
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Normal matter is baryonic
a. True b. False Indicate whether the statement is true or false
The rate of heat flow by conduction through a slab does NOT depend upon the:
A. temperature difference between opposite faces of the slab B. thermal conductivity of the slab C. slab thickness D. cross-sectional area of the slab E. specific heat of the slab
Vision Problems: Mahmood is farsighted and cannot see objects clearly that are closer to his eye than 80.0 cm. What is the focal length of the contact lenses that will enable him to comfortably see objects at a distance of 25.0 cm from his eyes?
A. +36.4 cm B. -36.4 cm C. -21.2 cm D. +21.2 cm E. +32.5 cm
The He nucleus is unstable. To what will it decay?
A. Li + e- +
B. Li + e- +
C. Li + e- + ?
D. Li + e-
E. H + e+ + ?