с=Q/(m*ΔT), ⇒ Q=с*m*ΔT,
t=3600 h=150 P=50*10^3 po=1000
m=po*V
mgh=P*t V=(P*t)/(g*h*po)=120 м3
x(t)=0.04cos(4π*t+π/2)=0.04sin(4π*t)
T=0.5 c (4π=2π/T)