contestada

A 0.28 kg stone you throw rises 34.3 m in the air. the impulse your hand receives from the stone while it catches the stone as it falls back is
a. 2.7n/s,up.
b. 2.7n/s,down.
c.7.3n/s,up.
d. 7.3n/s, down.
e. 9.6n/s, up.