Astudent uses a spring with a spring constant of 130 n/m in his projectile apparatus. when 56 j of
potential energy is required to launch the projectile to a certain height, what is the compression in the
spring?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

The substances that are necessary for producing of certain hormones and that store and transport vitamins

Una carga puntual de 3 x 10-6 c se coloca a 12 cm de una segunda carga puntual de - 1,5 x 10-6 c. calcular la magnitud fuerza eléctrica entre las cargas