Asupra unui corp, aflat iniţial în repaus, acţionează succesiv trei forţe: F1=10N, F2=4N şi F3=–15N. Duratele acţiunilor sunt:
t1=4s, t2=14s respectiv t3=2s. Cu ce forţă constantă s-ar obţine
aceeaşi viteză finală a corpului în:

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical