Pumped water storage has too many practical reasons why it cannot be done
What will be an ideal response?
There are extant pumped storage systems in different locations worldwide, so this
cannot be the case.
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A string on a guitar is stretched between two points 30.0 cm apart with a tension of 100 N. The mass/length of the string is 0.00300 kg/m. The velocity of wave propagation on the string is
A. 175 m/s. B. 183 m/s. C. 205 m/s. D. 267 m/s. E. 300 m/s.
Strictly speaking, to weigh less in the Northern Hemisphere, you should move to a location farther
A) north (toward the pole). B) south (toward the equator). C) east. D) west.
Take a cup of water, add sugar, and stir. If the resulting solution no longer contains sugar crystals, the solution is said to be
a. an unsaturated solution. b. a saturated solution. c. a heterogeneous solution. d. none of these.
When atoms of two elements with a medium difference in electronegativity bond together, the bonding is probably
a. ionic. b. covalent. c. polar covalent. d. metallic.