A ship with a mass of 100,000kg is traveling at 3m/s when it hits a smaller ship of mass 50,000kg which is at rest. The two ships crumple and stick together after the collision and move off as a unit at a speed of

(A) 2.0m/s. (B) 1.5m/s. (C) 3.0m/s.
(D) 0.0m/s. (E) 6.0m/s.


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A ship with a mass of 100,000kg is traveling at 3m/s when it hits a smaller ship of mass 50,000kg which is at rest. The two ships crumple and stick together after the collision and move off as a unit at a speed of

(A) 2.0m/s. --- Yes.

(100,000kg)(3m/s) = (150,000kg)(2m/s).

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A ship with a mass of 100,000kg is traveling at 3m/s when it hits a smaller ship of mass 50,000kg which is at rest. The two ships crumple and stick together after the collision and move off as a unit at a speed of

(B) 1.5m/s. --- No.
(100,000kg)(3m/s) does not equal
(150,000kg)(1.5m/s)

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A ship with a mass of 100,000kg is traveling at 3m/s when it hits a smaller ship of mass 50,000kg which is at rest. The two ships crumple and stick together after the collision and move off as a unit at a speed of

(C) 3.0m/s. --- No.
(100,000kg)(3m/s) does not equal
(150,000kg)(3m/s)

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A ship with a mass of 100,000kg is traveling at 3m/s when it hits a smaller ship of mass 50,000kg which is at rest. The two ships crumple and stick together after the collision and move off as a unit at a speed of

(D) 0.0m/s. --- No.
(100,000kg)(3m/s) does not equal
(150,000kg)(0.0m/s)

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A ship with a mass of 100,000kg is traveling at 3m/s when it hits a smaller ship of mass 50,000kg which is at rest. The two ships crumple and stick together after the collision and move off as a unit at a speed of

(E) 6.0m/s. --- No.
(100,000kg)(3m/s) does not equal
(150,000kg)(6.0m/s)

Try again.
Questions --- What this question is about
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