We would expect the curve for number of can openers sold vs. time to be a logistic curve
What will be an ideal response?
Yes; at first few will have can openers and the number will increase rapidly.
Eventually, everyone will have one and sales will drop.
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Gravitational Force: At their closest approach, Venus and Earth are 4.20 × 1010 m apart. The mass of Venus is 4.87 × 1024 kg, the mass of Earth is 5.97 × 1024 kg, and G = 6.67 × 10-11 N ? m2/kg2. What is the magnitude of the gravitational force exerted by Venus on Earth at that point?
A. 1.10 × 1018 N B. 4.62 × 1028 N C. 5.43 × 1026 N D. 6.30 × 1020 N E. 1.72 × 1019 N
Inside an accelerating spaceship in deep space, a sideways-tossed ball will
A) curve as it would in a gravitational field equal to the spaceship's acceleration. B) follow a straight-line path from one side of the interior to the other. C) fall in a semi-circular path.
Atoms of materials that are good conductors of electricity have
A. only electrons, and so these electrons are easily moved. B. mostly protons; thus, the negative charges jump easily from atom to atom. C. outer electrons which are loosely bound and thus easily moved. D. no electrons; thus, any that are given to them are easy to move about.
Charon is a moon of ______________
a. Earth b. Venus c. Neptune d. Mars e. Pluto