import sys

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

def solve(T, p, w, v, gx, gy):
    T = int(T)
    p, w, v, gx, gy = map(float, (p, w, v, gx, gy))
    r = complex(1 + w, v)
    power = [0] * T
    n = 0 if abs(r) > 1 else T - 1
    r = r**(T - 1 - n)
    d = complex(gx, gy) / r
    for i in range(T):
        if i != n:
            yield (0, 0)
        else:
            yield (d.real, d.imag)

N = int(readline())
probs = readlines()

for prob in probs:
    p, w, v, gx, gy = map(float, prob[2:].split())
    z = 0
    print('\n'.join('{} {}'.format(x, y) for x, y in solve(*prob.split())))