Please I beg you please help me with this question Your lab partner is sending waves through a slinky at a particular frequency.
Your partner then changes the frequency by a factor of 72. The wave velocity (or
speed) will...

Possible answers below

change by a factor of sqrt(2)
change by a factor of 2
change by a factor of sqrt(1/2)
change by a factor of 1/2
Stays the same

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

How do the kidneys affect homeostasis