All I need is the correct letter of answer. 19. A ball thrown vertically upward at 90 ft/s continues to rise for approximately A) 2.8 s B) 5.0 s C) 7.5 s D) 9.2 s 21. Which pair of concurrent forces cannot produce a resultant of 25 N? A) 5 N and 10 N B) 20 N and 20 N C) 20 N and 40 N D)30 N and 5 N 22. Identify the pair having a vector and a scalar quantity. A) force, velocity B) kinetic energy, mass C) acceleration, power D) distance, speed 23. If the mass of an object is doubled, its weight would be A) halved; B) doubled; C) unchanged; D) quadrupled.
All I need is the correct letter of answer. 19. A ball thrown vertically upward at 90 ft/s continues to rise for approximately A) 2.8 s B) 5.0 s C) 7.5 s D) 9.2 s 21. Which pair of concurrent forces cannot produce a resultant of 25 N? A) 5 N and 10 N B) 20 N and 20 N C) 20 N and 40 N D)30 N and 5 N 22. Identify the pair having a vector and a scalar quantity. A) force, velocity B) kinetic energy, mass C) acceleration, power D) distance, speed 23. If the mass of an object is doubled, its weight would be A) halved; B) doubled; C) unchanged; D) quadrupled.
Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Vectors
Section: Chapter Questions
Problem 25P: Use the component method to add the vectors A and B shown in Figure P3.9. Both vectors have...
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All I need is the correct letter of answer.
19. A ball thrown vertically upward at 90 ft/s continues to rise for approximately
A) 2.8 s
B) 5.0 s
C) 7.5 s
D) 9.2 s
21. Which pair of concurrent forces cannot produce a resultant of 25 N?
A) 5 N and 10 N
B) 20 N and 20 N
C) 20 N and 40 N
D)30 N and 5 N
22. Identify the pair having a vector and a scalar quantity.
A) force, velocity
B) kinetic energy, mass
C) acceleration, power
D) distance, speed
23. If the mass of an object is doubled, its weight would be
A) halved;
B) doubled;
C) unchanged;
D) quadrupled.
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