A 480-kg car moving at 16.4 m/s hits from behind a 570-kg car moving at 13.3 m/s in the same direction. If the new speed of the heavier car is 14.0 m/s, (a) what is the speed of the lighter car after the collision, assuming that any unbalanced forces on the system are negligibly small, and (b) what average power is dissipated during the collision if they collide for 1.4 seconds?

Q: A 0.12 kg bullet moving 215_m/s hits a 6.7.kg block of wood at rest. If the bullet becomes embedded…

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Q: In an elastic collision between two objects A and B, it is always true that:

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Q: A bullet of mass 50 gm is fired into a freely suspended target of 2.5 kg. On impact, the target…

A: In perfectly inelastic collision, the bullet and target moves with the same velocity after…

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: A 0.10 kg bullet moving 250 m/s hits a 5.0 kg block of wood at rest. If the bullet becomes embedded…

A: From the conservation of linear momentum, the momentum of the system before collision must be equal…

Q: An object of mass 8 kg has speed 30 m/s and is traveling in a direction that is 17 degrees W of N.…

A: Given data: The mass of the object 1 is m1=8 kg. The speed of object 1 is v1=30 m/s. The direction…

Q: One object is at rest, and another is moving. The two collide in a one-dimensional, completely…

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Q: A 500.0 kg module is attached to a 400.0 kg shuttle craft, which moves at 1000 m/s relative to the…

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Q: box of mass 7.9 3 102 g. The collision is completely inelastic, and the ball and box then slide on…

A: The larger ball of mass m1=4.5 x 102 g   The box mass m2= 7.9 x 102 g  The collision is completely…

Q: |A small device of mass 3.00 kg is sliding at 4.00 m/s along the x-axis on a horizontal frictionless…

A: Use conservation of momentum to calculate the kinetic energy of the second piece. Equate the…

Q: A 10-g bullet moving horizontally with a speed of 1.8 km/s strikes and passes through a 5.0-kg block…

A: Given data: Mass of bullet is, m=10 g=0.01 kg. Mass of block is, M=5.0 kg. Initial speed of bullet…

Q: During an ice show, a 57.5-kg skater leaps into the air and is caught by an initially stationary…

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Q: A pickup truck with mass 1528 kg is traveling with a speed of 23.8 m/s, while a compact car of mass…

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Q: A railroad car of mass M moving at a speed v1 collides and couples with two coupled railroad cars,…

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Q: A pellet gun fires ten 2.4 g pellets per second with a speed of 620 m/s. The pellets are stopped by…

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Q: A cart of mass M traveling to the right on a frictionless track with a speed 4vo collides with…

A: The initial speed of the first cart is, u1=4v0 The initial speed of the second cart is, u2=-v0 The…

Q: A marble , mass 150g, is fired from a toy spring gun into a lump of clay that rests on the edge of a…

A: Given data: The mass of the marble is m1=150 g. The clay lump is situated at height is h=2.00 m.…

Q: Collision: Two motion carts are headed for an inelastic collision! One cart has a mass of 3.23 kg…

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Q: A 3 kg block moving to the right on a frictionless table at 4 m/s makes a head on collision with…

A: Collisions are of two types , they are , elastic and inelastic collisions . A collision is said to…

Q: A billiard ball is moving in the x-direction at 30.0 cm/s and strikes another billiard ball moving…

A: Determine the kinetic energy before the collision.

Q: Two blocks of clay, one of mass 1.00 kg and one of mass 4.00 kg, undergo a completely inelastic…

A: Mass of first clay box m1 = 1 Kg Mass of second clay box m2 = 4 kg Kinetic energy of second block KE…

Q: We have a disk that is 1.49 kg and is traveling at 3.18 m/s to the right. It hits the end of a stick…

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Q: A 2.0-g particle moving at 5.8 m/s makes a perfectly elastic head-on collision with a resting 1.0-g…

A: If a body of mass m1 moving with velocity u1 collides with a stationary body of mass m2 then the…

Q: One object is at rest, and another is moving. The two collide in a one-dimensional, completely…

A: Using Momentum conservation in horizontal direction before and after collision: Since objects is…

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

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Q: A 5.00 kg ball is dropped from a height of 12.0 m above one end of a uniform bar that pivots at its…

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Q: A 1.2-kg spring-activated toy bomb slides on a smooth surface along the x-axis with a speed of 0.50…

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Q: One object is at rest, and another is moving. The two collide in a one-dimensional, completely…

A: Given:- The mass of the objects is 3.2 kg and 7.9 kg  The initial speed of the object is v = 24 m/s…

Q: Problem 6: A space vehicle of mass m=300 kg has a speed v=1000 m/s along the positive x-direction.…

A: Given:mass of space vehicle, m = 300 kgvelocity, v = 1000 m/smass of piece 1, m1= 100 kgmass of…

Q: A 1.0 kg mass with a speed of 4.5 m/s strikes a 2.0 kg mass at rest. For a completely nelastic…

A: Given  Mass m1=1kg  speed u1=4.5 m/s Mass m2=2kg speed u2=0m/s

Q: A block of mass mm = 16 kgkg has a speed VV and is behind a block of mass MM = 65 kgkg that has a…

A: Using the conservation of momentum, m1v1i+m1v1i=m1+m2vf16 kgv1i+65 kg0.5 m.s-1=16 kg+65 kg0.9…

Q: 3-kg object moving with a velocity of 7 m/s in the positive x direction strikes and sticks to a 3-kg…

A: First of all we need to calculate the velocity with which the system moves when the bodies stick…

Q: A 15.0-gram wad of sticky, freshly-chewed bubble gum has been thrown towards the north with a speed…

A: Given: Two sticky masses undergo perfectly inelastic collision Mass of 1st gum = 15 g Mass of 2nd…

Q: A 2 kg blob of puty moving at 3 m/s slams into a 2 kg blob of putty at rest. what is the speed of…

A: Given data: Mass of the first blob of puty is, m1 = 2 kg Mass of the second blob of puty is, m2 = 2…

Q: A railroad car of mass 2.56 x 10" kg is moving with a speed of 4.10 m/s. It collides and couples…

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Q: A 50 kg teen running 6 m/s jumps onto a 6 kg skateboard that is stationary. After he jumps on, the…

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Q: A 2 kg object traveling at 5 m/s to the right collides with and sticks to a 3kg object initially at…

A: Because objects stick together after collision so collision is perfectly inelastic collision in…

Q: In a ballistic pendulum demonstration gone bad, a 0.54 gg pellet, fired horizontally with kinetic…

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Q: A bullet is fired horizontally into an initially stationary block of wood suspended by a string and…

A: SOlution: given that bullet mass m = 0.0075 kg block mass M = 0.96 kg h = 1.1 m

Q: A 3 kg block moving to the right on a frictionless table at 4 % makes a head on collision with…

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Q: an archer shoots an arrow toward a 0.3 Kg target that is sliding in her direction at a speed of 2.50…

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Q: Starting with an initial speed of 5.00 m/s at a height of 0.300 m, a 1.50-kg ball swings downward…

A: m1 = 1.5 kg m1 = 2.6 kg v1 = 5 m/s v2 = 0 m/s h1=0.3 m

Q: 3. A projectile of mass m = 0.2 kg and initial speed vi = 200m/s hits a stationary target of mass M…

A: when projectile of mass m get imbedded in the mass M no external force acts on the system and hence…

Q: A 10.0 kg block is sliding along a frictionless table at 1.0 m/s. It collides with a stationary…

A:

Q: 3. A railroad car weighing 32 tons and travelling at 5.0 ft/s overtakes another car weighing 24 tons…

A: Given thatMass of railroad car, mA=32 tonsSpeed of railroad, uA=5.0 ft/sMass of car, mB=24 tonsSpeed…

Q: One object is at rest, and another is moving. The two ollide in a one-dimensional, completely…

A: Given : One object is at rest and other is moving and the one dimensional collision is inelastic.…

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.