Theorem of conservation of momentum or momentum: two line followers slide on a frictionless surface. The...
Theorem of conservation of momentum or momentum:
two line followers slide on a frictionless surface. The
first follower, with a mass of 24.0 gr, initially moves at 2.40 m /
s parallel to the x axis, which collides with the second follower,
whose mass is 12.0 gr, which is initially at rest, as shown in the
figure. After the collision, the first follower moves at 1.03 m / s
in a direction that forms an angle β = 31.0 with its initial
direction.
A. The final speed of the second follower?
B. The direction of the second follower just after the crash with
respect to the positive x-axis?
C. The total kinetic energy and before after the shock and verify
if the kinetic energy conservation theorem is fulfilled or not.
Homework Answers
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Theorem of conservation of momentum or momentum:
two line followers slide on a frictionless surface. The...
The figure in the next slide shows two battling robots on a frictionless surface. A robot...
The figure in the next slide shows two battling robots on a frictionless surface. A robot A with mass 20 kg, initially moves at 2.0 m/s parallel to the x-axis. It collides with robot B, which has mass 12 kg and is initially at rest. After the collision, robot A moves at 1.0 m/s in a direction that makes an angle alpha = 30 degree with its initial direction. What is the final velocity of robot B?
14) (Conservation of linear momentum) An air cart of mass m=1 kg and speed vo-Im's moves...
14) (Conservation of linear momentum) An air cart of mass m=1 kg and speed vo-Im's moves toward second identical air cart that is at rest. When the carts collide, they stick together and move as one a) Using the conservation of linear momentum, calculate the velocity ve when the carts stick together (this is also the velocity of the center of mass after collision). b) Calculate the kinetic energy before and after collision. Is the collision elastic Without any calculation,...
Block 1, of mass m1 = 2.30 kg, moves along a frictionless air track with speed...
Block 1, of mass m1 = 2.30 kg, moves along a frictionless air track with speed v1 = 31.0 m/s. It collides with block 2, of mass m2 = 13.0 kg, which was initially at rest. The blocks stick together after the collision. A) Find the magnitude pi of the total initial momentum of the two-block system. B) Find vf, the magnitude of the final velocity of the two-block system C)What is the change ΔK=Kfinal−Kinitial in the two-block system's kinetic...
On a frictionless surface. a block of mass M moving at speed v collides elastically with...
On a frictionless surface. a block of mass M moving at speed v collides elastically with another block of the same mass that is initially at rest. After the collision, the first block moves at an angle θ to its initial direction and has a speed U/2. The second block's speed after the collision is 3 4 (B) 2 2 U) (E) ut cose
Two pucks collide on an air hockey table. Puck A has a mass of 17.0 g...
Two pucks collide on an air hockey table. Puck A has a mass of 17.0 g and is initially traveling in the +x direction at 7.80 m/s. Puck B has a mass of 68.0 g and is initially at rest. After the pucks collide, puck A moves away at an angle of 58.0 above the +x axis, while puck B travels at an angle of 24.0 below the +x axis. Calculate puck A's final speed? Calculate puck B's final speed?...
OAL Combine the concepts of conservation of energy and conservation of momentum in inelastic collisions. In...
OAL Combine the concepts of conservation of energy and conservation of momentum in inelastic collisions. In figure a, a bullet and a wooden block are shown in two configurations. In the first configuration, the block, labeled m2, hangs vertically from a ceiling. A bullet, labeled m1, approaches the block horizontally from the left. A rightward arrow points from the bullet and is labeled vector v1i. A rightward arrow, shorter than the first, points from the block and is labeled vector...
OLPHYS1 8.6.050. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two cars collide at an icy Intersection...
OLPHYS1 8.6.050. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two cars collide at an icy Intersection and stick together afterward. The first car has a mass of 1650 kg and was approaching at 6.00 m/s due south. The second car has a mass of 750 and was approaching at 24.0 m/s due west. (a) Calculate the final velocity of the cars. (Note that since both cars have an initial velocity, you cannot use the equations for conservation of momentum wong...
1.Linear momentum is always conserved [ ]when kinetic energy is conserved [ ]when total energy is...
1.Linear momentum is always conserved [ ]when kinetic energy is conserved [ ]when total energy is conserved [ ]in the absence of internal forces [ ]in the absence of external forces 2. If two objects collide and there are no other forces acting on them, the momentum of each object will be independently conserved. [ ]True [ ]False 3.The momentum of an object is equal to the product of it mass and ______ [ ]Velocity [ ]Speed [ ]displacement [...
To understand how to use conservation of angular momentum to solve problems involving collisions of rotating...
To understand how to use conservation of angular momentum to solve problems involving collisions of rotating bodies. Consider a turntable to be a circular disk of moment of inertia I_t rotating at a constant angular velocity omega_i around an axis through the center and perpendicular to the plane of the disk (the disk's "primary axis of symmetry"). The axis of the disk is vertical and the disk is supported by frictionless bearings. The motor of the turntable is off, so...
The figure in the next slide shows two battling robots on a frictionless surface. A robot A with mass 20 kg, initially moves at 2.0 m/s parallel to the x-axis. It collides with robot B, which has mass 12 kg and is initially at rest. After the collision, robot A moves at 1.0 m/s in a direction that makes an angle alpha = 30 degree with its initial direction. What is the final velocity of robot B?
14) (Conservation of linear momentum) An air cart of mass m=1 kg and speed vo-Im's moves toward second identical air cart that is at rest. When the carts collide, they stick together and move as one a) Using the conservation of linear momentum, calculate the velocity ve when the carts stick together (this is also the velocity of the center of mass after collision). b) Calculate the kinetic energy before and after collision. Is the collision elastic Without any calculation,...
On a frictionless surface. a block of mass M moving at speed v collides elastically with another block of the same mass that is initially at rest. After the collision, the first block moves at an angle θ to its initial direction and has a speed U/2. The second block's speed after the collision is 3 4 (B) 2 2 U) (E) ut cose
OLPHYS1 8.6.050. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two cars collide at an icy Intersection and stick together afterward. The first car has a mass of 1650 kg and was approaching at 6.00 m/s due south. The second car has a mass of 750 and was approaching at 24.0 m/s due west. (a) Calculate the final velocity of the cars. (Note that since both cars have an initial velocity, you cannot use the equations for conservation of momentum wong...
To understand how to use conservation of angular momentum to solve problems involving collisions of rotating bodies. Consider a turntable to be a circular disk of moment of inertia I_t rotating at a constant angular velocity omega_i around an axis through the center and perpendicular to the plane of the disk (the disk's "primary axis of symmetry"). The axis of the disk is vertical and the disk is supported by frictionless bearings. The motor of the turntable is off, so...
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