Mass A (2.0 kg) is moving with an initial velocity of 15 m/s in the +x-direction, and it collides with mass B (5.0 kg), initially at rest. After the collision, the two objects stick together and move as one. What is the change in kinetic energy of the system as a result of the collision?  a. no change b. decrease by 225 J c. decrease by 161 J d. decrease by 64 J

Q: A 0.060 kg ball hits a wall with an initial speed of 30 m/s in the –x direction and bounces off with…

A: Given : Mass of a ball (m) = 0.060 kg Initial speed (vi) = -30 m/s because initially ball is moving…

Q: 2. A 1200 kg car is initially traveling at 25 m/s to the right. The car crashes into the back kg…

A:

Q: A 1200 kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the…

A:

Q: A 2080 kg truck traveling north at 40 km/h turns east and accelerates to 54 km/h. (a) What is the…

A: (a) The change in kinetic energy of the truck is, Substitute the values in equation (I).

Q: A 3.0-kg object travelling 6.0m/s East has a perfectly elastic collision with a 4.0kg object…

A:

Q: A 2.00 kg object moving at 10.0 m/s east collides with a 5.00 kg object initially at rest. After the…

A:

Q: 2.Two vehicles are traveling in opposite directions and are involved in a head on collision. Vehicle…

A: Given data: Mass of first vehicle, m1 = 1500 kg  Mass of second vehicle, m2 = 4500 kg  The velocity…

Q: 1430-kg car moving east at 17.0 m/s collides with a 1810-kg car moving south at 15.0 m/s, and the…

A:

Q: A 22-g bullet traveling 210 m/s penetrates a still 2-kg block that is 1 m thick and emerges going at…

A: Since you have asked multipart question, we will provide you the solution of the first 3 parts.…

Q: A 20 kg mass is moving at 40 mph when it collides with a 50 kg object moving in theopposite…

A: Momentum before collision = 20x 40 -50 x2 = 700 kg mph Momentum after collision = 20 x 30 + 50 x v…

Q: swer the following questions. Note that e = 0.43. a. What is the velocity (m/s) of A after the…

A: Given:-  The mass of the car A is M = 1.3 metric tons = 1300 kg  the mass of  the car B is m = 1.7…

Q: A 750 kg car with a velocity of (10.0, 0, 24.0) m/simpacts a 3300 kg truck traveling at (6.0, 0,…

A: Given  Mass of car Mc = 750 kg Mass of truck MT= 3300 kg Initial Velocity of car vc = 10m/s i + 24…

Q: A lump of clay (m = 3.00 kg) is thrown towards a wall at speed v = 3.00 m/s.  The lump sticks to the…

A:

Q: meteor whose mass was about 2.0×108kg struck the Earth (mE=6.0×1024kg) with a speed of about 27 km/s…

A:

Q: A bullet of mass m = 10 g and speed vo = 540 m/s is fired at a stationary block of mass M= 200 g.…

A:

Q: A 10.0-kg bowling ball sliding across a frictionless surface, with a velocity of 3.00 m/s, collides…

A: Conservation of linear momentum is an important concept in physics. This states the equivalency of…

Q: 3. A 3-kg block moving 4 m/s to the right collides with an 8-kg block moving 2 m/s to the left. a)…

A:

Q: Two skaters collide and grab on to each other on frictionless ice. One of them, of mass 70.0 kg, is…

A:

Q: 1. Cars A and B are moving toward each other in one dimension. A has a mass of 2.0 x 10³ kg and a…

A: a. In inelastic collision, the momentum is conserved,

Q: 2. A 120 g softball is thrown toward home plate with a speed of 28 m/s. The batter hits the ball…

A: Let us consider that towards the batter is negative axis, so the initial velocity will be negative,…

Q: A 600 g rubber ball is dropped onto the ground.  The speed of the ball just before impact is 25 m/s.…

A: Write the given values as follows. Consider the downward speed of the ball as negative, and the…

Q: A constant force of 60N is applied to a 25 kg block for 15 seconds. (a.) What is the impulse acting…

A:

Q: A body of mass 2.0kg makes an elastic collision with another body at rest and continues to move in…

A: Both Momentum and Kinetic energy will be conserved in this system. Thus, from the given conditions:

Q: A 1200-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the…

A: Given,

Q: 8. On a frictionless air track, a 0.15 kg glider moving at 1.2 m/s to the right collides with and…

A: a)The momentum before collision is,

Q: 1. What is the total momentum of the following system? a) Two 1-kg balls move away from each other;…

A: Part (a): Given: The mass of the each ball is 1 kg. The velocity of the first ball is 5 m/s in…

Q: A22kg block with a speed of 3.3 m/s collides with a 4.4 kg block that has a speed of 2.2 m/s in the…

A:

Q: A railroad car of mass 2.25 ✕ 104 kg moving at 3.10 m/s collides and couples with two coupled…

A: Given data The railroad car mass is: m1 = 2.25 x 104 kg The initial velocity of the railroad car is:…

Q: A 2030 kg truck traveling north at 34 km/h turns east and accelerates to 60 km/h. (a) What is the…

A:

Q: 1. Jennifer is walking at 1.63 m/s. If Jennifer weighs 540N, what is the magnitude of her momentum?

A:

Q: On a frictionless, horizontal air table, puck A (with mass 0.250 kg) is moving toward puck B (with…

A:

Q: t the collision is perfectly elastic. a) What is be the speed of the 0.640- kg ball after the…

A: We know that the formula of the velocity after the elastic collision is given as  let the masses of…

Q: 2. A 120 g softball is thrown toward home plate with a speed of 28 m/s. The batter hits the ball…

A:

Q: Block A, with a mass of 0.300 kg, is traveling north on a frictionless surface with a speed of 5.00…

A:

Q: 8. Martha, whose mass is 42 kg is traveling on her roller blades at 8 m/s, when she collides with…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: I. A lump of clay (m = 3.00 kg) is thrown towards a wall at speed v = 3.00 m/s. The lump sticks to…

A:

Q: A 1,250 kg car is stopped at a traffic light. A 3,550 kg truck moving at 8.33 m/s hits the car from…

A:

Q: 2. A red spaceship, m1 = 12,000 kg, vii = 15 m/s £ + 25 m/s ŷ and a green spaceship, m2 = 5000 kg,…

A:

Q: 5. A single railroad car of mass 2.50x104 kg is moving with a speed of 4.00 m/s. It collides and…

A:

Q: A 3.0 kg object traveling 6.0 m / s east has a perfectly elastic collision with a 4.0 kg object…

A:

Q: thrown towards another wall, and this time the wall moves when the lump sticks to it (it's a very…

A:

Q: An 8.0 kg object moving 4.0m/s in positive x direction, has a 1D collision with a 2.0kg object…

A:

Q: 13. A railroad car of mass 2.50 × 10ª kg is moving with a speed of 4.00 m/s. It collides and couples…

A: Given data:  Mass, m = 2.50×104kg  Velocity, v1=4.00m/s  Velocity, v2=2.00m/s

Q: Jumping up before the elevator hits. After the cable snaps and the safety system fails, an elevator…

A: a  impulse =change in momentum  J=∆P  J=m(vf-vi)vi=0, relative velocity right before the elevator…