Under what conditions, is linear momentum conserved? Check all that apply. a. There are no frictional...
Under what conditions, is linear momentum conserved? Check all that apply.
a. There are no frictional forces.
b. The work done is positive.
c. The net torque is minimal.
d. The net force vanishes.
e. The action of the force is instantaneous.
Homework Answers
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Under what conditions, is linear momentum conserved? Check all
that apply.
a. There are no frictional...
Under what conditions, is linear momentum conserved? Check all that apply. Group of answer choices There...
Under what conditions, is linear momentum conserved? Check all that apply. Group of answer choices There are no frictional forces. The action of the force is instantaneous. The net torque is minimal. The net force vanishes. The work done is positive.
Under what conditions is the momentum conserved in a collision a. It is always conserved. b....
Under what conditions is the momentum conserved in a collision a. It is always conserved. b. When it is an inelastic collision c. When the collision is very light. d. When the collision is totally elastic
what are the conditions under which the total momentum of a system of particles is conserved?
what are the conditions under which the total momentum of a system of particles is conserved?
under what conditions is mechanical energy conserved? only when conservative forces are present Only when the...
under what conditions is mechanical energy conserved? only when conservative forces are present Only when the net talk on a system is zero only when the net force on the system is zero mechanical Everly is always conserved
Linear Momentum of an object is conserved At all times b. Only when the net external...
Linear Momentum of an object is conserved At all times b. Only when the net external force on the object is Zero When the net external torque on the object is Zero d. Never A truck of mass 4000 (kg) is moving at 10 (m/s). A car of mass 1000 (kg) is moving at 40 (m/s). So, the truck’s momentum, compared to the car, is Greater b. Smaller c. the same d. Cannot say without knowing their accelerations A 1000...
18 19 When objects stick together after colliding. A momentum is not conserved. B momentum is...
18 19 When objects stick together after colliding. A momentum is not conserved. B momentum is zero. the collision is inelastic. D. the collision is elastic. Work is done A any time a force is applied. B by all components of force. c. when an object moves in the direction of the net force. D by an applied force perpendicular to the direction of the motion A heavy truck has more momentum than a passenger car moving at the same...
C What is conserved in the following cases (linear momentum, angular momentum about an axis, mechanical...
C What is conserved in the following cases (linear momentum, angular momentum about an axis, mechanical energy, tionle kinetic energy, none of these)? There may be more than one conserved quantity. For this question, you do not have to show your reasoning (a) Two masses are released from rest, from the positions shown in the figure, in a frictionless hemispherical bowl. The masses collide and stick together. Note that the circular motion is characterized simultaneously by the linear and angular...
Topic: collisions in two Dimensions 1- Under what conditions are momentum conserved? 2- How do quantitively...
Topic: collisions in two Dimensions 1- Under what conditions are momentum conserved? 2- How do quantitively characterize elastic and inelastic collisions? 3-Are collisions between steel balls are 100% elastic? 4- how do you graphically represent vectors that have errors? 5- how do you propagate the errors in vectors
1. In order to change the angular momentum of an object, it is necessary to apply...
1. In order to change the angular momentum of an object, it is necessary to apply O a a net force to the object. O b. a net torque to the object. O c. a centripetal acceleration to the object. O d, both a net force and a net torque to the object. 2. We have three vectors, labeled A, B, and C. A points due west, B points due north, and C points due east. We don't know their...
Hi, please help me check my answers for two physics problems. If they are wrong, please...
Hi, please help me check my answers for two physics problems. If
they are wrong, please explain it so I could learn and correct the
mistake. Thank you.
[For the first problem, I got: push= 2598J, normal= 0,
weight= 0, friction= -1920J. I calculated net work to be 678J
]
[For the second problem, I got push=250J, normal and weight= 0,
friction = -200J. I calculated net force to be 50J, which is
positive]
3. A dockworker pushes a 50...
18 19 When objects stick together after colliding. A momentum is not conserved. B momentum is zero. the collision is inelastic. D. the collision is elastic. Work is done A any time a force is applied. B by all components of force. c. when an object moves in the direction of the net force. D by an applied force perpendicular to the direction of the motion A heavy truck has more momentum than a passenger car moving at the same...
C What is conserved in the following cases (linear momentum, angular momentum about an axis, mechanical energy, tionle kinetic energy, none of these)? There may be more than one conserved quantity. For this question, you do not have to show your reasoning (a) Two masses are released from rest, from the positions shown in the figure, in a frictionless hemispherical bowl. The masses collide and stick together. Note that the circular motion is characterized simultaneously by the linear and angular...
1. In order to change the angular momentum of an object, it is necessary to apply O a a net force to the object. O b. a net torque to the object. O c. a centripetal acceleration to the object. O d, both a net force and a net torque to the object. 2. We have three vectors, labeled A, B, and C. A points due west, B points due north, and C points due east. We don't know their...
Hi, please help me check my answers for two physics problems. If
they are wrong, please explain it so I could learn and correct the
mistake. Thank you.
[For the first problem, I got: push= 2598J, normal= 0,
weight= 0, friction= -1920J. I calculated net work to be 678J
]
[For the second problem, I got push=250J, normal and weight= 0,
friction = -200J. I calculated net force to be 50J, which is
positive]
3. A dockworker pushes a 50...
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