¿Cuál es la magnitud de la fuerza electrostática que experimentan dos cargas de 0,4 C y 0,2 C, respectivamente, si la distancia que las separa es de 8 m? * 1,125 x 10^7 N
5,76 x 10^11 N
2,3 x 10^12 N
1,125 x 10^13 N

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus

The ability to make things happen is also called a. heat b. force c. matter d. energy