A nucleus, initially at rest, decays radioactively. In the process, it emits an electron horizontally to the east, with momentum 9.0 x 10-²¹ kg⋅m/s and a neutrino horizontally to the south, with momentum 4.8 x 10-2¹ kgm/s. (a) In what direction does the residual nucleus move? (b) What is the magnitude of its momentum? (c) If the mass of the residual nucleus is 3.6 x 10-25 kg, what is its recoil velocity? 51.

Principles of Physics: A Calculus-Based Text
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Chapter8: Momentum And Collisions
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A nucleus, initially at rest, decays radioactively. In the process, it emits an electron
horizontally to the east, with momentum 9.0 x 10 –21 kg·m/s and a neutrino horizontally to the south, with momentum 4.8 x 10 –21 kg·m/s.

(a) In what direction does the residual nucleus move?
(b) What is the magnitude of its momentum?
(c) If the mass of the residual nucleus is 3.6 x 10 –25 kg, what is its recoil velocity?

51.
A nucleus, initially at rest, decays radioactively. In the process, it emits an electron
horizontally to the east, with momentum 9.0 x 10-²¹ kg⋅m/s and a neutrino horizontally to
the south, with momentum 4.8 x 10-²¹ kgm/s.
(a) In what direction does the residual nucleus move?
(b) What is the magnitude of its momentum?
(c) If the mass of the residual nucleus is 3.6 x 10-25 kg, what is its recoil velocity?
Transcribed Image Text:51. A nucleus, initially at rest, decays radioactively. In the process, it emits an electron horizontally to the east, with momentum 9.0 x 10-²¹ kg⋅m/s and a neutrino horizontally to the south, with momentum 4.8 x 10-²¹ kgm/s. (a) In what direction does the residual nucleus move? (b) What is the magnitude of its momentum? (c) If the mass of the residual nucleus is 3.6 x 10-25 kg, what is its recoil velocity?
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