sake
This page lists questions and answers that were posted by visitors named sake.
Questions
The following questions were asked by visitors named sake.
the free-fall acceleration on the surface of the moon is appromimately 1/6 of the free-fall acceleration on the surface of earth. compare the period of a pendumlum on earth with that of an identical pendulum set in motion on the moon
17 years ago
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. what is the wavelength of the wave in a)air; b)water
17 years ago
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 s later. the speed of sound in water is 1500 ms-1. find the distance of the submarine from the wavelength of the pulse and the...
17 years ago
until germany's invasion of poland the democratic nations which had been victorious in world war I had observed all these separate aggressions and done little. the league of nations had all but collapsed in the wake of italy's invasion of ethipia. britain...
17 years ago
what's the area behind your knees called
17 years ago
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 incasion
17 years ago
when a hot object warms a cooler object, does temperature flow between them
17 years ago
so when a hot object warms a cooler object, temperature does not flow between them. but are the temperature changes of the two objects equal?
17 years ago
Answers
The following answers were posted by visitors named sake.