On average, a newborn human's mass is just over 3.0 kg. ... Suppose this baby is placed in a crib hanging from springs with a total spring constant of 2.60 102 N/m. ... A double coconut can grow for 10 years and have a mass of 20.0 kg. If a 20.0 kg double coconut oscillates on a spring 42.7 times each minute, what is the ...
Find cos using trig identities: Therefore Sub in tan x = 3, (Note that x is in 3rd quadrant, cos x < 0) Finally, sub into Half-angle formula:(Note x/2 is in 2nd quadrant, tan x<0)
