Determine a alternativa que indica corretamente o nome das estruturas que compõe a fibra muscular esquelética. A)Miofibrila, miofilamentos, miocárdio B)Sarcômero, túbulos T, periósteo C)Miofibrila, sarcolema, miofilamentos D)Sarcómero, osteclastos, actine E)Miosina, mioglobina, miocárdio

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.