A shell at rest explodes into two fragments, one with a mass of im1 = 2.0 kg and the other m2 = 5.0 kg. If the 2nd fragment gains K2 = 100 J of kinetic energy from the explosion, how much kinetic energy does the lighter one gain, and what is the magnitude of the impulse it experiences from the explosion?

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Chapter1: Units, Trigonometry. And Vectors
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Cut off says m1=2kg and m2=5kg
= 2.0 kg and the other with
A shell at rest explodes into two fragments, one with a mass of m1
m2 = 5.0 kg. If the 2nd fragment gains K2 = 100 J of kinetic energy from the explosion, how much kinetic
energy does the lighter one gain, and what is the magnitude of the impulse it experiences from the explosion?
(A) K1 = 40 J and |J] = 12.6 kg m/s
(B) K1 = 40 J and J = 22.4 kg m/s
(C) K = 40 J and |J] = 31.6 kg m/s
(D) K1 = 100 J and |J| = 12.6 kg m/s
(E) K1 = 100 J and |J] = 22.4 kg m/s
%3D
(F) K1 = 100 J and |J] = 31.6 kg m/s
(G) K1 = 250 J and |J] = 12.6 kg m/s
(H) K1 = 250 J and |J = 22.4 kg m/s
(1) K1 = 250 J and |J] = 31.6 kg m/s
Transcribed Image Text:= 2.0 kg and the other with A shell at rest explodes into two fragments, one with a mass of m1 m2 = 5.0 kg. If the 2nd fragment gains K2 = 100 J of kinetic energy from the explosion, how much kinetic energy does the lighter one gain, and what is the magnitude of the impulse it experiences from the explosion? (A) K1 = 40 J and |J] = 12.6 kg m/s (B) K1 = 40 J and J = 22.4 kg m/s (C) K = 40 J and |J] = 31.6 kg m/s (D) K1 = 100 J and |J| = 12.6 kg m/s (E) K1 = 100 J and |J] = 22.4 kg m/s %3D (F) K1 = 100 J and |J] = 31.6 kg m/s (G) K1 = 250 J and |J] = 12.6 kg m/s (H) K1 = 250 J and |J = 22.4 kg m/s (1) K1 = 250 J and |J] = 31.6 kg m/s
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