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sake
Questions (9)
is it possible for the heat to flow even if the internal energies of the two objects are the same? explain.
i said yes because
0 answers
625 views
so when a hot object warms a cooler object, temperature does not flow between them.
but are the temperature changes of the two
1 answer
838 views
when a hot object warms a cooler object, does temperature flow between them
1 answer
403 views
In 1961, President Kennedy backed an invasion of the island by Cuban refugees in the US; it failed.
what does it mean to back an
1 answer
439 views
what's the area behind your knees called
1 answer
409 views
until germany's invasion of poland the democratic nations which had been victorious in world war I had observed all these
1 answer
586 views
a ship sends a snoar pulse of frequency 30kHz and duration 1.0 ms towards a submarine and receives a reflection of the pulse 3.2
4 answers
1,568 views
a sound wave of frequency 500 hz travels from air into water. the speed of sound in air is 330 m s-1 and in water 1490 m s-1.
3 answers
1,622 views
the free-fall acceleration on the surface of the moon is appromimately 1/6 of the free-fall acceleration on the surface of
2 answers
1,093 views
Answers (2)
i still don't get it. why is the distance x 2 and what does it mean ms for the pulse duration
thanks but actually i figured it out by myself!
