Two railroad cars, each of mass 64000 kgkg and traveling 75 km/hkm/h in opposite directions, collide head-on and come to rest.       How much thermal energy is produced in this 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: Two toy trains with velcro collide on a train track in a completely inelastic collision. The blue…

A: Mass of A train (Ma) = 5.7 g Mass of B train (Mb) = 9.3 g Initial velocity of A train (Va) = 4.5 m/s…

Q: A 114 g frisbee is caught in a tree. To dislodge it You toss a 230 g lump of clay vertically upward.…

A: Given information, mass of frisbee, m= 114 g mass of clay lump ,M = 230 g Maximum height rises by…

Q: water molecule moving at 590.0 m/s collides head-on with an isopropanol molecule oving at 100.0 m/s.…

A: Given Before collision  Molecule of water mw= 590 ms Isopropanol molecule mi=100 ms  After…

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

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Q: 2. A 3-kg firework flies in a straight line with an initial velocity of 150 m/s and bursts into two…

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Q: A wad of clay of mass mc= 0.2kg is thrown at a speed vc= 30m/s at a stationary toy train car sitting…

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Q: a new toy train engine of mass m1 = 1.0 kg. you make your new toy go at 2.0 m/s, but you cause a…

A: m1 = 1 kg v1 = 2 m/s m2 = 1 kg v2 = 0 m/s Kinetic energy lost = 0.8 J

Q: A 2.5-kg ball and a 5.0-kg ball have an elastic collision. Before the collision, the 2.5-kg ball was…

A: m1 = 5 kgm2 = 2.5 kgv1i = 3.5 m/sKinetic energy of 2.5 kg object is to be calculated.

Q: 3. A 1570-kilogram truck moving with a speed of 28.0 m/s runs into the rear end of a 1280-kilogram…

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Q: A 2.50g dragonfly flying at 3.00m/s of mass "collides totally inelastically" i.e, catches) a small…

A: Given it is a totally inelastic collision. We know  in inelastic collision(or completely inelastic…

Q: A 10 g bullet is fired into a 10 kg wood block that is at rest on a wood table. The block, with the…

A: Given: The mass of the bullet is m=10 g. The mass of the block is m’=10 kg. The distance traveled…

Q: Three carts of masses 4 kg, 10 kg, and 3 kg move on a frictionless, horizontal track with speeds of…

A: Consider the velocity towards right as positive and towards left as negative. According to the…

Q: Before an elastic collision of two balls of 2.0 kg each, the kinetic energies of two balls are…

A: Mass of first ball , m1 = 2.0 kg Mass of second ball, m2 = 2.0 kg Kinetic energy of m1 before…

Q: A 1600-kilogram truck moving with a speed of 27.0 m/s runs into the rear end of a 1060-kilogram…

A: Given information: The mass of the truck (M) = 1600 kg The initial velocity of the truck (Ui) = 27.0…

Q: (1) Two objects, moving towards each other with speed v. collide head on, stick together, and then…

A: Speed of each object before collision = VSpeed of combined mass after collision = V/4 Let Mass of…

Q: The Tunguska meteor delivered 1.2E17 Joules of kinetic energy to the Earth’s atmosphere in an…

A: The objective of the question is to find the mass of the Tunguska meteor given its kinetic energy…

Q: The Moon’s craters are remnants of meteorite collisions. Suppose a fairly large asteroid that has a…

A: Given: mass of the asteroid, m =  4.95 × 1012 kginitial velocity of the asteroid relative to the…

Q: Calculate the kinetic energies of (a) a 2000.0-kg automobile moving at 100.0 km/h; (b) an 80.-kg…

A: kinetic energy if mass m moving with speed v is given by  KE = 0.5 mv2  KE = kinetic energy  m is in…

Q: M m PAC m M (b) After collision (a) Before collision e collision is inelastic and during the…

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Q: A train car without a roof of mass 20,000 kg is moving on rails without friction with a constant…

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Q: The Tunguska meteor delivered 1.2E17 Joules of kinetic energy to the Earth’s atmosphere in an…

A: The kinetic energy () of an object is given by the formula:where: is the kinetic energy, is the…

Q: As shown in the figure below, a bullet is fired at and passes through a piece of target paper…

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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…

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Q: When no energy is lost to thermal modes in a collision, the coefficient of restitution is e = 1.…

A: Given that: e=0.83mc=200 g=0.200 kgmg=45 g=0.045 kguc=88 mph=88×0.447=39.3 m/s

Q: Two 465g blocks of wood are 2 m apart on a frictionless table. A 15g bullet is fired at 419 m/s…

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Q: A truck (m=5000 kg) initially moving at 5 m/s slams into the back of a car (m=1,000 kg) that is…

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Q: An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.10…

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