125 m/s 0.45 m

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: O 20m 3.0 m 5. A 1.2-kg spring-activated toy bomb slides on a smooth surface along the x-axis with a…

A: Given: Mass of toy bomb (M) = 1.2 kg. Speed of toy bomb (u) = 0.5 m/s. After explosion, the mass of…

Q: A 0.550 kg ball of Play-Doh hangs from the ceiling by a string. A 0.095 kg wad of Play-Doh is thrown…

A: If external force acting on body is zero, Then from Newton's 2nd law F=dPdt=0…

Q: In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The…

A: Given, Mass of the block A is 0.8 Kg Mass of the block b is 1.2 Kg The velocity of block A before…

Q: A ball with mass mA = 2.42 g moves eastward with speed vA = 1.73 m/s. It then collides with another…

A: The momentum conservation is expressed as, mAuA→+mBuB→=mAvA→+mBvB→ ........(1) The energy…

Q: A 4.80 g bullet is fired at 450 m/s toward a stationary 4.00 kg metal block causing the block to…

A: Given m=4.8g=mass of bullet M=4kg=mass of block u=450m/s=speed of bullet before collision…

Q: In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The…

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Q: 2. A pendulum bob, m,, of mass 0.300 kg is held at a vertical height of 0.400 m above the bottom of…

A: As per our answering guidelines, we will be answering the first three sub-parts of the question.…

Q: In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The…

A: a)         mA = 0.8 kg    mB = 1.2 kg    vAi = 1.9 m/s    vBi = 4.9 m/s    vBf  = 2.5 m/s    vAf  =…

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: Block A of mass 4.00 kg moves along a horizontal surface, and collides elastically with block B,…

A: Mass of block A (m) = 4 kg mass of block B (m') = 7 kg Spring constant (k) = 225 N/m Maximum…

Q: Item 8 An 14000 kg freight car rests against a spring bumper at the end of a railroad track. The…

A: Given that mass of the flight car and spring constant and mass of the second car and also given the…

Q: In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The…

A: a According to the conservation of linear momentum,

Q: A puck with mass mA=2.42[g] moves eastward with speed vA = 1.73 [m/s]. It then collides with another…

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Q: A marble with mass mA = 2.5 g moves eastward with speed VA = 1.75mm I then collides with another…

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Q: In a railroad yard a 35,000 kg boxcar moving at 7.2 m/s is stopped by a spring-loaded bumper mounted…

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Q: A fireworks rocket is fired vertically upward. At its maximum height of 80.0 m, it explodes and…

A: Given, Mass of the rocket first piece, m1=1.40 kg, Mass of the rocket second piece, m2=0.28 kg,…

Q: An 18g bullet is fired into 4kg block that is suspended from the ceiling by ropes. The bullet comes…

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Q: a block of 0.10 kg is released from rest from the top of a 40 degree frictionless slope. When a…

A: The mass of the block is M = 0.10 kg. The angle of inclination of the slope is θ = 40 ̊. The mass of…

Q: Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. Alight spring is…

A: According to the law of conservation of momentum, for an isolated system, the total momentum of a…

Q: Submit Answer Tries 0/8 Iter m, leaves the spring, it slides across the table and makes an inelastic…

A: We know that spring force is given as  F = kx  where k is the spring constant  x is the displacement…

Q: In the figure below, a ball of mass m = 61 g is shot with speed v, = 26 m/s into a barrel of spring…

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Q: Q1: A metal block of mass M is attached to a spring of negligible mass and elastic constant k, as…

A: Given- u1=0M1=Mu2=VM2=M4

Q: Which among the following types of collision is described to have a noticeable amount of kinetic…

A: (1) Which among the following types of collision is described to have a noticeable amount of kinetic…

Q: Canadian nuclear reactors use heavy water moderators in which elastic collisions occur between the…

A: Given that Canadian nuclear reactors use heavy water moderator in which elastic collision between…

Q: 0.300 kgkg glider is moving to the right on a frictionless, ­horizontal air track with a speed of…

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Q: A 0.240-kg billiard ball that is moving at 3.00 m/s strikes the bumper of a pool table and bounces…

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Q: A 2.0-kg object moves to the right with a speed of 4.0 m/s. It collides in a perfectly elastic…

A: In a perfectly elastic collision Since kinetic energy remains conserved, So  Kinetic energy before…

Q: In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The…

A: Given Quantities: Mass of block A (MA)=0.8 kg Mass of block B (MB)=1.2 kg Initial velocity of block…

Q: 3. If a dart of mass 25 g hits a stationary block of wood of mass 5.2 kg, and the dart and wood…

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Q: In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The…

A: In this case, consider that the velocity towards the right is positive.   Using conservation of…

Q: A 3000kg jeepney moving at 20m/s collides with a 2000kg car (at rest). If they stick together after…

A: Given data: Mass of jeepney (m1) = 3000 kg Initial velocity of jeepney (v1) = 20 m/s Mass of the car…

Q: Two perfectly elastic balls, weighing 6 lbs and 4 lbs, approaching each other with a speed of 20…

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Q: 83.2 g marble moving at 10.2 m/s approaches and collides head-on with a stationary 41.8 g marble.…

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Q: A 156 g cart moves on a horizontal, frictionless surface with a constant speed of 11.1 cm/s. A 60.6…

A: Since the piece of modeling clay drops vertically, the horizontal component of its speed is zero.…

Q: A 5.0-kg block is approaching an ideal massless spring at a speed of v = 5.0 m/s álong a horizontal…

A: Mass of the block is m = 5.0 kg Velocity of the block is v = 5.0 m/s Maximum compression in the…

Q: Please help me with all the parts, and double and triple check your answers, previous tutors got it…

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Q: 5. A 600 g air-track glider collides with a spring at one end of the track. The figures show the…

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Q: 11. Which statement is not correct? a. a body cannot have any energy without having momentum b. a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The…

A: Write the conservation of momentum equation mAvA,i+mBvB, i=mAvA,f+mBvB, f Plug the values into the…

Q: Can you please answer number 6 and show all of the steps  Please answer in less than 10 minutes

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Q: A body of mass 7 Kg and speed 7 m/s collides with another body of mass 5 Kg and speed 5 m/s. Both of…

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Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.