A metallic wire has a diameter of 4. 12mm. When the current in the wire is 8. 00a, the drift velocity is 5. 40×10−5m/s.

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?

Balanced rock sits on a thin spike of rock in a canyon what forces keep the rock balanced on its tiny pedestal