So what is a joule? Joule is the unit of energy used by the International Standard of Units (SI). It is defined as the amount of work done on a body by a one Newton force that moves the body over a distance of one meter.
Timothy Donald Tim Cook (born November 1, 1960) is an American business executive, industrial engineer and developer. Cook is the current and seventh Chief Executive Officer of Apple Inc., previously serving as the company's Chief Operating Officer, under its founder Steve Jobs. Cook joined Apple in March 1998 as senior vice president of worldwide operations and then served as Executive Vice President of worldwide sales and operations.
More From Business Insider. 1  Apple CEO Tim Cook summed up his experience coming out in one amazing quote. 2  Apple CEO Tim Cook says we may finally be able to delete those permanent apps Apple puts on your iPhone. 3  Apple's new iPhone 6S Plus may be really hard to find at launch, says the world's most accurate Apple analyst.