Se lanza una piedra desde una altura de 45m y se observa que logra un alcance de 120m con respecto al punto de partida hallar la velocidad inicial con la que fue lanzada la piedra
el tiempo que tardo el objeto en golpear el suelo
la velocidad de impacto
la velocidad lograda al cabo de 1.3 sg
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What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.