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3. A stationary atomic nucleus undergoes radioactive decay and a beta particle (a fast- moving electron) and a neutrino (a subatomic particle) are detected leaving the nucleus at high velocities as shown in the following figure. The momentum of the beta particle is 9.2× 10-21 kg-m/s [S] and the momentum of the neutrino is 4.9 × 10-21 kg•m/s [W]. The mass of the remaining nucleus is 3.6 x 10-25 kg.

3. A stationary atomic nucleus undergoes radioactive decay and a beta particle (a fast- moving electron) and a neutrino (a subatomic particle) are detected leaving the nucleus at high velocities as shown in the following figure. The momentum of the beta particle is 9.2× 10-21 kg-m/s [S] and the momentum of the neutrino is 4.9 × 10-21 kg•m/s [W]. The mass of the remaining nucleus is 3.6 x 10-25 kg.

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so read the question and my answer and I need  a direction on the velocity. (what should it be?)

3] Mass of remaining nucleus after decay = 3.6x16 25 kg P= 4.9 x 102¹ kg mls P = 9.2 x 10²¹ kgmlş -21 a] applying law of law of conservation of momentum Momentum before decay = Momentum after decay Before decay the atom is stationary, V = 0 momentum P = mv = 0 Momentum after decay = P(V₂) + P(B) +mv By putting values, we get 0 = (4.9x102¹) +(9.2x1021) +(3.6 x1025) V V = -21 (4.9 x 9.2) x 10 m/2 3.6 x 1025 V = of remaining -3.92 x 10 mla This is the receil velocity nucleus
Transcribed Image Text:3] Mass of remaining nucleus after decay = 3.6x16 25 kg P= 4.9 x 102¹ kg mls P = 9.2 x 10²¹ kgmlş -21 a] applying law of law of conservation of momentum Momentum before decay = Momentum after decay Before decay the atom is stationary, V = 0 momentum P = mv = 0 Momentum after decay = P(V₂) + P(B) +mv By putting values, we get 0 = (4.9x102¹) +(9.2x1021) +(3.6 x1025) V V = -21 (4.9 x 9.2) x 10 m/2 3.6 x 1025 V = of remaining -3.92 x 10 mla This is the receil velocity nucleus
3. A stationary atomic nucleus undergoes radioactive decay and a beta particle (a fast- moving electron) and a neutrino (a subatomic particle) are detected leaving the nucleus at high velocities as shown in the following figure. The momentum of the beta particle is 9.2× 10-21 kg-m/s [S] and the momentum of the neutrino is 4.9 × 10-21 kg-m/s [W]. The mass of the remaining nucleus is 3.6 × 10-25 kg. p=4.9 x 10-²¹ (kg)m/s [W] B p = 9.2 x 10-²¹ (kg)m/s [S] a. What is the recoil velocity of the remaining nucleus?
Transcribed Image Text:3. A stationary atomic nucleus undergoes radioactive decay and a beta particle (a fast- moving electron) and a neutrino (a subatomic particle) are detected leaving the nucleus at high velocities as shown in the following figure. The momentum of the beta particle is 9.2× 10-21 kg-m/s [S] and the momentum of the neutrino is 4.9 × 10-21 kg-m/s [W]. The mass of the remaining nucleus is 3.6 × 10-25 kg. p=4.9 x 10-²¹ (kg)m/s [W] B p = 9.2 x 10-²¹ (kg)m/s [S] a. What is the recoil velocity of the remaining nucleus?
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