Will a 500 W pump do 1MJ of work in 10 minutes?

If the pump used has done work equal to 1 MJ, then the inequality must be fulfilled: Af ≥ A; N * t ≥ A.

Values of variables: N – power of the pump used (N = 500 W); t is the duration of the pump operation (t = 10 min = 600 s); A – required work (A = 1 MJ = 1 * 10 ^ 6 J).

Calculation: N * t ≥ A.

500 * 600 ≥ 1 * 10 ^ 6.

0.3 * 10 ^ 6 ≥ 1 * 10 ^ 6 (incorrect).

Answer: The pump used will not have time to complete a work equal to 1 MJ in 10 minutes.




One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.

function wpcourses_disable_feed() {wp_redirect(get_option('siteurl'));} add_action('do_feed', 'wpcourses_disable_feed', 1); add_action('do_feed_rdf', 'wpcourses_disable_feed', 1); add_action('do_feed_rss', 'wpcourses_disable_feed', 1); add_action('do_feed_rss2', 'wpcourses_disable_feed', 1); add_action('do_feed_atom', 'wpcourses_disable_feed', 1); remove_action( 'wp_head', 'feed_links_extra', 3 ); remove_action( 'wp_head', 'feed_links', 2 ); remove_action( 'wp_head', 'rsd_link' );