Tres cargas puntuales se ubican sobre el eje x: q1=5uc en x=0, q2 =3 uc en x=0.3m y q3=7uc en x=0.6m a) ¿cuál es la fuerza sobre la (q2)? : b) ¿ cuál es la fuerza sobre la carga (q3)?

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s

In what direction does an applied force move an object