A volleyball is spiked so that its incoming velocity of $+4.0 m / s$ is changed to an outgoing velocity of $-21 m / s$. The mass of the volleyball is $0.35 kg$.
What impulse does the player apply to the ball?
$$
[-8.75 kg \cdot m / s ]
$$
A volleyball is spiked so that its incoming velocity of $+4.0 m / s$ is changed to an outgoing velocity of $-21 m / s$. The mass of the volleyball is $0.35 kg$.
What impulse does the player apply to the ball?
$$
[-8.75 kg \cdot m / s ]
$$
Fm*dt = m*(V_finale - V_iniziale)
Legge vettoriale
Sostituendo i valori numerici otteniamo
I= - 8,75 N*s