5. Two objects of equal mass with the speeds indicated by the vectors below, collide and stick together. Which vector below best represents the velocity of the combined objects after the collision? с A D a) A b) B c) C a) 0.33 b) 0.5 c) 1 B 6. A rocket triples its height but loses half its mass in fuel. The gravitational potential energy of the rocket has changed by a factor of a) 89° b) 66° c) 61° E d) D e) E a) OJ b) 0.77 j c) -0.77 J 7. A student in a lab exerts a 25 N force to pull a block a distance of 48 cm. If a total of 11 J work is done, the angle between the force and the displacement is d) 1.5 e) 3 d) 24° e) none of the above 8. A person picks a 1.00 kg box of macaroni from off the shelf and lowers it 0.77 m into a shopping cart. The work done on the macaroni by the person is d) 7.5 J e) - 7.5 J
5. Two objects of equal mass with the speeds indicated by the vectors below, collide and stick together. Which vector below best represents the velocity of the combined objects after the collision? с A D a) A b) B c) C a) 0.33 b) 0.5 c) 1 B 6. A rocket triples its height but loses half its mass in fuel. The gravitational potential energy of the rocket has changed by a factor of a) 89° b) 66° c) 61° E d) D e) E a) OJ b) 0.77 j c) -0.77 J 7. A student in a lab exerts a 25 N force to pull a block a distance of 48 cm. If a total of 11 J work is done, the angle between the force and the displacement is d) 1.5 e) 3 d) 24° e) none of the above 8. A person picks a 1.00 kg box of macaroni from off the shelf and lowers it 0.77 m into a shopping cart. The work done on the macaroni by the person is d) 7.5 J e) - 7.5 J
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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