A rocket in deep space moving with velocity of 300 m/s has an initial mass of 5000 kg, of which 2000 kg are fuel. If it is ejecting gasses at a rate of 5 kg/s at a speed of 200 m/s relative to the rocket, then after 200 second of motion, its speed is Select one: O a. 145 m/s O b. 345 m/s O c. 450 m/s O d. 290 m/s O e. 220 m/s
A rocket in deep space moving with velocity of 300 m/s has an initial mass of 5000 kg, of which 2000 kg are fuel. If it is ejecting gasses at a rate of 5 kg/s at a speed of 200 m/s relative to the rocket, then after 200 second of motion, its speed is Select one: O a. 145 m/s O b. 345 m/s O c. 450 m/s O d. 290 m/s O e. 220 m/s
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![A rocket in deep space moving with velocity of 300 m/s has an initial mass of 5000 kg, of which 2000 kg are fuel. If it is ejecting gasses at a rate of 5 kg/s at a speed of 200 m/s
relative to the rocket, then after 200 second of motion, its speed is
Şelect one:
O a. 145 m/s
O b. 345 m/s
O c. 450 m/s
O d. 290 m/s
O e. 220 m/s
The system below rotates with an angular velocity w. If the mass of the rod supports is negligible, what is the ratio of the moment of inertia of the two upper
spheres to the two lower spheres?
ellS
Select one:
O a. 1:4
O b. 4:1
O c. 1:2
O d. 2:1
O e. 1:1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3518a23c-0d9c-4225-8258-2a5685a5d07e%2F9b6dc006-4e70-4d58-b03f-c04130172d82%2F6jnnjqv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A rocket in deep space moving with velocity of 300 m/s has an initial mass of 5000 kg, of which 2000 kg are fuel. If it is ejecting gasses at a rate of 5 kg/s at a speed of 200 m/s
relative to the rocket, then after 200 second of motion, its speed is
Şelect one:
O a. 145 m/s
O b. 345 m/s
O c. 450 m/s
O d. 290 m/s
O e. 220 m/s
The system below rotates with an angular velocity w. If the mass of the rod supports is negligible, what is the ratio of the moment of inertia of the two upper
spheres to the two lower spheres?
ellS
Select one:
O a. 1:4
O b. 4:1
O c. 1:2
O d. 2:1
O e. 1:1
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