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ÚäÏí ßã ÓÄÇá ããßä ÊÓÇÚÏæäí ¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿
:what forms of energy are present in the following situations
ãÇåí ÇÔßÇá ÇáØÇÞå ÇáãæÌæÏå Ýí ÇáÍÇáÇÊ ÇáÊÇáíå ¿ A diver who stands on the edge of a 10-m platform ÛØÇÓ íÞÝ Úáí ÍÇÝÉ ãäÕå 10 m ? A student who climbs the stairs to the school,s library ÇáØÇáÈ ÇáÐí íÕÚÏ ÇáÏÑÌ Çáí ãßÊÈÉ ÇáãÏÑÓå ¿ A penny that is dropped from the second floor ÇÓÞÇØ Úãáå äÞÏíå ãä ÇáØÇÈÞ ÇáËÇäí ¿ A bowstring that has been pulled back ready to launch an arrow ÇáæÊÑ ÇáÐí ÇäÓÍÈ Úáí ÇÓÊÚÏÇÏ ÇáÇäØáÇÞ ¿ ÇáÓÄÇá ÇáËÇäí : ãÇåí ÇáØÇÞå ÇáÍÑßíå áÓíÇÑå 125kg áÌÓã íÊÍÑß ÈÓÑÚÉ km/h45 ÇáÓÄÇá ÇáËÇáË : : A 65 kg diver is poised at the edge of a 10 m platform . Calculate the diver,s gravitational potential energy relative to the pool? ÇÎæÇäí íÇáíÊ ÊÔÑÍæä áí ÏÑÓ ( ÇáÍÝÇÙ Úáí ÇáØÇÞå ÇáãßÇäíßíå conservation of mechanical energy) æÏÑÓ ÇáÔÛá ÈÊÝÕíá áÇä ÇáÏß澄 ÊÈÚäÇ ÞÇá äÓÊÛá æÞÊ ÇáÇÌÇÒå æäÐßÑå ÑÛã ÇÍäÇ ãÇÇÎÐäÇå åÐÇ ÇáÏÑÓ æÞÇá Çáí ãÇíÝåã Ôí íÓÇáå æÚØÇäå ÇáÇÓÇáå Çáí ÝæÞ ÝíáíÊ ÞÈá ãÇÊÊÌÇæÈ íÊÝåãæäí áÇä íãßä ÊØáÚ Óåáå æÇÞÏÑ ÇÍáåÇ æáßã ãäí ÌÒíÑ ÇáÔßÑ .... |
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ØÇÞÉ æÖÚ "Ãí ØÇÞÉ ßÇãäÉ" åäÇ ÇÕÈÍ ÇáØÇáÈ íãÊáß ØÇÞÉ ßÇãäÉ ÈÓÈÈ ÊÛíÑ ÃÑÊÝÇÚå ãä ÇáÃÞá Åáì ÇáÃÚáì ÇãÊáßÊ ÇáÚãáÉ ØÇÞÉ ÍÑßÉ ÇíÖÇ ØÇÞÉ ßÇãäÉ ÓÄÇáß ÇáËÇäí ÈÏæ æÇÍÏ ÝÇÖí æ Øæíá äÝÓ:a_plain111: |
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ÇáÐíä íÔÇåÏæä ãÍÊæì ÇáãæÖæÚ ÇáÂä : 1 ( ÇáÃÚÖÇÁ 0 æÇáÒæÇÑ 1) | |
ÇäæÇÚ ÚÑÖ ÇáãæÖæÚ |
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