Entre las unidades mencionadas señala las que pertenecen a una unidad fundamental en el si. Coloca una “x” dentro del círculo correspondiente a las opciones correctas. a)N: Newton.

b)Pa: Pascal.

c)Kg: Kilogramo.

d)F: Fuerza.

e)M: Metro.
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Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line