A railroad car of mass 3.05 ✕ 104 kg moving at 2.95 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars after the collision?  m/s (b) How much kinetic energy is lost in the collision?

Q: A railroad car of mass 2.5 x 104 kg is moving at a speed of 4.00 m/s.  It collides and couples with…

A: Given: The mass of railroad car is m=2.5×104 kg, The initial speed of a railroad car is u1=4 m/s,…

Q: Suppose a lump of clay has a mass of 0.2 kg and it slides without friction across ice at a speed of…

A: The objective of this question is to find the speed of two lumps of clay after they collide and…

Q: A 100-kg particle moves with an initial velocity of (4.0i, - 6.0j) m/s. If its velocity changes to v…

A:

Q: Particle A and particle B are held together with a compressed spring between them. When they are…

A: let particle A be 1 and particle B be 2 given: m1=2m2 (mass of A is 2 times of mass of B) energy…

Q: Question 4: Larry has a mass of 80 kg and runs across the front of the classroom with a speed of 4…

A:

Q: On a horizontal frictionless surface, a small block with a mass 0.200kg has a collision with a block…

A: Mass of object 1 is  Mass of object 2 is After collision, velocity of object 1 is  in the direction…

Q: 19. On a very muddy American football field, a 95.0-kg linebacker tackles a 120.-kg halfback. Right…

A: Write the given values with the suitable variables. m1=95 kgm2=120 kgu1=8 m/su2=-4 m/s Here, m1, m2,…

Q: A metal ball with speed v and mass m collides head-on with another ball which was initially at rest…

A: Given Speed of metal ball = v mass of metal ball= m Mass of another ball = 2m   We have to find what…

Q: ad cars, each 2 106

A: Given: Mass (m1) is 2.75×104Kg and velocity can be 3.4 m/s. 2 cars, same mass and m2 is 5.5×104Kg…

Q: In an intersection, a bus moving at (100i) m/s and a truck moving at (200j) m/s collided with each…

A:

Q: atomic nucleus initially moving at 375 m/s emits an alpha particle in the direction of its velocity,…

A: Given  Initial speed = u = 375 m/s  Final speed = v = 250 m/s  Mass of alpha particle = Mh = 4 .0 u…

Q: A railroad car of mass 2.25 ✕ 104 kg moving at 2.75 m/s collides and couples with two coupled…

A: Given Mass of railroad car m1=2.25 ✕ 104 kg Speed v1=2.75 m/s Mass of couple m2=2m1=4.5 ✕ 104 kg…

Q: In the figure below, a box of mass M = 4.5 kg slides on a horizontal table without friction and…

A: Speed of the block M before collision is v = 6.0 m/s Mass of the block is M = 4.5 kg Kinetic energy…

Q: A ball of clay with a mass of 0.950 k is initially traveling towards the floor with a speed of 0…

A:

Q: A railroad car of mass 2.10 × 104 kg. moving at 3.20 m/s collides and couples with two coupled…

A: Speed of the three coupled cars after the collision= 1.87 m/sExplanation:Approach to solving the…

Q: Solved Problem: Larry has a mass of 80 kg and runs across the front of the classroom with a speed of…

A:

Q: Particle A and particle B are held together with a compressed spring between them. When they are…

A: The energy stored in the compressed spring( potential energy), Ui=85 J When the spring is released,…

Q: A wad of clay with a mass m is thrown at a wooden block of mass M that lies on the top of a…

A: Given that: mass of clay=m mass of the block = M  The height of the table = H   It is required to…

Q: An object of mass 7.21 kg is released from rest and drops 2.05 m to the floor .The collision is…

A: Mass of object  m = 7.21 kg        Height  H = 2.05 m

Q: ralroad car of mass 3.40 x 10 kg moving at 3.25 m/s collides and couples with two coupled railroad…

A: mass of railroad car = m1= m = 3.4 x 104 kg mass of two coupled car = m2= 2m = 6.8 x 104 kg

Q: A small block of mass M is released from rest at the top of the curved frictionless ramp shown in…

A:

Q: Two objects A and B with masses of 1.8kg and 4.2kg move in a frictionless horizontal surface. Object…

A:

Q: A 81.8 g marble moving at 14.6 m/s approaches and collides head-on with a stationary 45.7 g marble.…

A:

Q: A 6 kg block with a speed of 2.0 m/s hits a 7 kg block that has a speed of 1.0 m/s in the same…

A: Part (a) Given: The mass of first block is m1=6 kg. The initial speed of first block is u1=2.0 m/s.…

Q: A 1400 kg weather rocket accelerates upward at 10 m/s^2. It explodes 1.6 s after liftoff and breaks…

A:

Q: A railroad car of mass 2.5 x 104 kg is moving at a speed of 4.00 m/s. It collides and couples with…

A:

Q: Bullet of mass 105 grams, hits the stationary block of mass 15,190g (originally frictionless…

A:

Q: A point particle of mass 3.9 kg is moving with an initial velocity of 2.27 m/s i. It collides and…

A:

Q: A railroad car of mass M moving at a speed v_1 collides and couples with two coupled railroad cars,…

A:

Q: Billiard ball A of mass 5 kg. Moving with speed 6 m/s collides head-on with ball B of equal mass.…

A:

Q: A railroad car of mass 2.85 x 10" kg moving at 3.40 m/s collides and couples with two coupled…

A:

Q: A railroad car of mass 2.60 x 10* kg moving at 2.90 m/s collides and couples with two coupled…

A: m=mass of railroad=26000 Kg M=mass of coupled railroad = 2*26000 = 52000 Kg u1=initial velocity of m…

Q: A bullet with a mass of 500 g and a speed of 10.0 m / s crashes head-on into a stationary positioned…

A:

Q: 100% inelastic one dimensional collision, where one mass (0.50 kg) is initially ng at 1.00 m/s [R]…

A: Given m1 = 0.5 kg u1 = 1 m/s m2 = 1.3 kg u2 = 0

Q: Marble A was released at a certain height of the ramp and hit Marble B on the horizontal end of the…

A:

Q: A railroad car of mass 2.49x104 kg is moving with a speed of 3.92 m/s. It collides and couples with…

A: Conservation of momentum states that when no external force is applied, the initial and final…

Q: In the figure below, a 3.1 kg box of running shoes slides on a horizontal frictionless table and…

A: Free body diagram of the system is as given bellow:                   Given: A box of running shoes…

Q: A railroad car of mass 3.50 x 104 kg moving at 2:70 m/s collides and couples with two coupled…

A: Given Data  Mass of each railroad car is m=3.50×104 kg Speed of the first car is v1=2.70 m/s Speed…

Q: A small block of mass M is released from rest at the top of the curved frictionless ramp shown in…

A: mass of smaller block = M mass of larger block = 1.5 M initial speed of smaller block =…