4. A rocket is fired vertically upward. At the instant it reaches an altitude of 1000 m and a speed of 300 m/s, it explodes into three fragments, each with equal mass. One fragment continues to move upward with a speed of 450 m/s following the explosion. The second fragment has a speed of 240 m/s and is moving east immediately after the explosion. What is the velocity of the third fragment immediately after the explosion? [510 m/s, 61.9°]
4. A rocket is fired vertically upward. At the instant it reaches an altitude of 1000 m and a speed of 300 m/s, it explodes into three fragments, each with equal mass. One fragment continues to move upward with a speed of 450 m/s following the explosion. The second fragment has a speed of 240 m/s and is moving east immediately after the explosion. What is the velocity of the third fragment immediately after the explosion? [510 m/s, 61.9°]
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![4. A rocket is fired vertically upward. At the instant it reaches an altitude of 1000 m and a speed
of 300 m/s, it explodes into three fragments, each with equal mass. One fragment continues
to move upward with a speed of 450 m/s following the explosion. The second fragment has a
speed of 240 m/s and is moving east immediately after the explosion. What is the velocity of
the third fragment immediately after the explosion? [510 m/s, 61.9°]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F43c30f87-51c4-4462-bdc3-b7e72929cee1%2F40ac88f2-a314-467d-a3e4-d16b3f60e445%2Flidyacu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. A rocket is fired vertically upward. At the instant it reaches an altitude of 1000 m and a speed
of 300 m/s, it explodes into three fragments, each with equal mass. One fragment continues
to move upward with a speed of 450 m/s following the explosion. The second fragment has a
speed of 240 m/s and is moving east immediately after the explosion. What is the velocity of
the third fragment immediately after the explosion? [510 m/s, 61.9°]
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