26-The amount of work required to stop a moving object is equal to: A. the velocity of the object B. the kinetic energy of the object C. the mass of the object times its acceleration D. the mass of the object times its velocity E. the square of the velocity of the object

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Chapter1: Units, Trigonometry. And Vectors
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26-The amount of work required to stop a moving object is equal to:
A. the velocity of the object
B. the kinetic energy of the object
C. the mass of the object times its acceleration
D. the mass of the object times its velocity
E. the square of the velocity of the object
27- The mass of a hydrogen atom, in kilograms, is approximately:
А. 10-27
В. 10-31
С. 10-24
D. 10-13
Е. 10-8
28- The isotopes of an element:
A. cannot be separated at all
B. occur well separated in nature
C. have similar chemical behavior
D. cannot be separated by physical methods
E. have equal masses
29-Which of the following groups does NOT contain a scalar quantity?
A. velocity, force, power
B. displacement, acceleration, force
C. acceleration, speed, work
D. energy, work, distance
E. pressure, weight, time
30- According to the theory of relativity:
A. moving clocks run fast
B. energy is not conserved in high speed collisions
C. the speed of light must be measured relative to the ether
D. momentum is not conserved in high speed collisions
E. none of the above are true.
Good luck, Dr. Jamal A. Hasan
7.
Transcribed Image Text:26-The amount of work required to stop a moving object is equal to: A. the velocity of the object B. the kinetic energy of the object C. the mass of the object times its acceleration D. the mass of the object times its velocity E. the square of the velocity of the object 27- The mass of a hydrogen atom, in kilograms, is approximately: А. 10-27 В. 10-31 С. 10-24 D. 10-13 Е. 10-8 28- The isotopes of an element: A. cannot be separated at all B. occur well separated in nature C. have similar chemical behavior D. cannot be separated by physical methods E. have equal masses 29-Which of the following groups does NOT contain a scalar quantity? A. velocity, force, power B. displacement, acceleration, force C. acceleration, speed, work D. energy, work, distance E. pressure, weight, time 30- According to the theory of relativity: A. moving clocks run fast B. energy is not conserved in high speed collisions C. the speed of light must be measured relative to the ether D. momentum is not conserved in high speed collisions E. none of the above are true. Good luck, Dr. Jamal A. Hasan 7.
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