Cutnell Johnson Physics (11th Edition)

Chapter 7

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No ; The momenta of two objects are said to be ... more

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Zero ; The vectors of equal magnitude in different... more

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The momentum after the collision is equal to the ... more

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Yes ; The asteroid and stone can be considered as ... more

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In the absence of any external force on the system... more

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The forward momentum of the plane decreases. ; The... more

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No ; Since, there is no external force on the ... more

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The cannonball has a greater kinetic energy. ; Let... more

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The total initial momentum is , which is not equal... more

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No ; In an elastic collision, total kinetic energy... more

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Near the heavier end. ; The mass distribution of ... more

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At any instant of time, many drops are in the air... more

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The momentum of an object is a vector quantity. ... more

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The runners B and C are moving in different ... more

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The change in the momentum for both the segments A... more

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The regions B and D correspond to a constant ... more

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The system 2 is composed of the Earth and the ball... more

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The total momentum before collision is and after ... more

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The initial momentum in y direction is equal to ... more

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in positive direction. ; The velocity of the ... more

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, in the direction opposite to the motion of the ... more

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166 m/s ; According to the impulse-momentum ... more

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-1.8 NThe answer is consistent. ; The rate of hail... more

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; Here and are weight of the cars , initial ... more

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; Here m  of the volleyball   , incoming and ... more

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, south of the east. ; The arrow pointing towards... more

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; The force is applied in the opposite direction ... more

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; The rate of water striking the blade is . The ... more

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; The final momentum of the boy is pf=0. The ... more

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; The horizontal component of the momentum ... more

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; towards the north from east ; The mass of ... more

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; The speed of the ball just before striking the ... more

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; The velocity with which the sand hits the ... more

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; Initially both the disks move with a velocity... more

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9.6% ; The mass of the ejected gas can be ... more

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; The two stage rocket is an isolated system, ... more

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; The horizontal components of the momentum of ... more

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; The speed of the block attained after falling ... more

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; Find the x and y components of the velocities ... more

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; The total momentum before the push and just ... more

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; The person A and person M can be considered as ... more

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; The speed in case 1 can be calculated by using ... more

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; The final speed can be calculated by using the ... more

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; The final momentum of the system is equal to ... more

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; The momentum of the system in a completely ... more

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, north of the east. ; The object A is moving due... more

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; The magnitude of the impulse is equal to the ... more

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; The velocity just before the collision can be ... more

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; Find the components of the velocities of the ... more

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; Find out the component of the velocity of the ... more

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0.0022 ; The initial speed of the electron is and... more

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1.326 ; The ratio of the masses can be calculated ... more

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towards positive direction. ; Find out the ... more

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; The system can be represented with the center ... more

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; For a perfectly elastic collision with the ... more

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; The force exerted on the ball by the bat can be... more

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; The initial momentum of the system is equal to ... more

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; Initially, the system with a total mass is ... more

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; The momentum during the collision remains ... more

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; The three parts of the body can be considered ... more

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; Write all the velocities in the component form... more

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  ; Calculate the momentum of each object. ; ... more

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