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A light beam from a satellite-carried laser strikes an object ejected from an accidentally launched ballistic missile; see Fig. 3-29. The beam exerts a force of 2.7 × 10-5 N on the target. If the “dwell time” of the beam on the target is 2.4 s, by how much is the object displaced if it is (a) a 280-kg warhead and (b) a 2.1-kg decoy? (These displacements can be measured by observing the reflected beam.)

A light beam from a satellite-carried laser strikes an object ejected from an accidentally launched ballistic missile; see Fig. 3-29. The beam exerts a force of 2.7 × 10-5 N on the target. If the “dwell time” of the beam on the target is 2.4 s, by how much is the object displaced if it is (a) a 280-kg warhead and (b) a 2.1-kg decoy? (These displacements can be measured by observing the reflected beam.)

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago
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