14)A shell is fired a gun, whose barrel is inclined at an angle to the horizontal. During the flight, the shellexplodes in air to fragments. The center of mass of different fragments will follow:(A)a horizontal straight line.(B)a vertical straight line.(C)a parabola(D)an unpredictable pathΔm15)The rate of change of momentum of the raindrop can be F = ma + u. In this expression what doesAtu represent.(A)The velocity of the extra mass added to the raindrop.(B)The velocity of the raindrop.(C)The velocity of the loss in mass of raindrop.(D)The rate of the change of the velocity for combined system.

14 Since their is no external force in explosion , according to Newton's second law , the…

Answered: The rate of change of momentum of the…

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The rate of change of momentum of the raindrop

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 10P: The magnitude of the net force exerted in the x direction on a 2.50-kg particle varies in time as...

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Question

14)A shell is fired a gun, whose barrel is inclined at an angle to the horizontal. During the flight, the shell
explodes in air to fragments. The center of mass of different fragments will follow:
(A)a horizontal straight line.
(B)a vertical straight line.
(C)a parabola
(D)an unpredictable path
Δm
15)The rate of change of momentum of the raindrop can be F = ma + u. In this expression what does
At
u represent.
(A)The velocity of the extra mass added to the raindrop.
(B)The velocity of the raindrop.
(C)The velocity of the loss in mass of raindrop.
(D)The rate of the change of the velocity for combined system.

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