Seorang astronot memiliki saudara kembar dan pergi ke ruang angkasa pada umur 40 tahun. Astronot tersebut kembali ke bumi dan saudara kembarnya kini berusia 50 tahun. Menurut astronot, umur saudara kembarnya seharusnya 48 tahun. Berdasarkan cerita tersebut, maka kecepatan pesawat luar angkasa yang digunakan astronot untuk pergi sebesar . . .

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f. s. = 2 against bucklin

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative