17- Soient deux conducteurs ohmiques de résistances R1 =10 22
et R2=2012.
Calculez la résistance du conducteur
ohmique équivalent lorsque ces deux
conducteurs sont groupés;
a- en série
b- en dérivation.

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?