Bifați în lista următoare afirmațiile adevărate: Termometrele de exterior folosesc de cele mai multe ori ca lichid termometric mercurul. Prin gaze căldura se propagă prin convecție. Topirea are loc cu absorbție de căldură. Temperatura unui corp este indicată de termometru imediat după realizarea contactului termic. La aceeași variație de temperatură lichidele se dilată mai mult decât solidele. Când două corpuri ajung la echilibru termic temperatura lor este aceeași.

You and a friend (alex) are at a a tree-top adventure park .. . part of the course requires you to climb up a rope. you both climb the same rope in the same amount of time. however, the tension in the rope is greater when alex climbs. who did the most work? alex did - more tension means more force - more force means more work was done you did - less tension means less force - less force means more work was done to find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? when more work was done, the couch was moved less. when more work was done, the couch was moved further. when more work was done, the couch wasn't moved at all. when more work was done, the couch was moved the same distance.

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th