A 4900 kg open train car is rolling on frictionless rails at 18.6 m/s when it starts pouring rain. A few minutes later the car's speed is 15.4 m/s. What mass of water (in kg) has collected in the car?

Q: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table.…

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Q: find the speed of the bullet as it (a) leaves and (b) enters block 1.

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Q: A 4.3-kg model rocket is launched, shooting 55.8 g of burned fuel from its exhaust at an average…

A: Given: Mass of model rocket M=4.3 kg Mass of burned fuel m=55.8 g=0.0558 kg Average speed of burned…

Q: A 400 kg cannon sits on a frozen lake. It fires a 5.1 kg cannonball horizontally with a speed of 340…

A: Given data:  Mass of cannon (M) = 400 kg Mass of cannonball (m1) = 5.1 kg Velocity of cannon ball…

Q: Two objects are moving towards each other on a horizontal, frictionless surface. The first has a…

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Q: A 70.0 kg man and his 40.0 kg daughter on skates stand together on a frozen lake. If they push apart…

A: To calculate the velocity of the daughter. Given:Mass of man: Mm=70.0 kgMass of daughter: Md=40.0…

Q: The velocities of three particles of masses 10 kg, 20 kg and 30 kg are 10i, 10j and 10k m/s,…

A: Given: The velocities of three particles of masses 10 kg, 20 kg and 30 kg are 10i, 10j and 10k m/s,…

Q: A ball falls towards the ground at 10 m/s (downwards), and bounces up at 6 m/s (upwards). The mass…

A: Impulse may be defined as the product of force exerted by an object for a short interval of time.…

Q: A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one…

A: The following problem involves the law of conservation of momentum. The law states that the total…

Q: A bullet of mass 200 g traveling horizontally with a speed of 319 m/s. It strikes a block of mass…

A: From the momentum conservation, Here, mb, m, ub, u and v represent the mass of a bullet, the…

Q: 70.0-kg astronaut floating inside a space station throws a 2.00-kg ball away from him at 4.0m/s…

A: Dear student When there is no external force acting on the system the momentum remains conserved. Pi…

Q: An object of mass 3.08 kg, moving with an initial velocity of 5.04î m/s, collides with and sticks to…

A: Given Data m1 = 3.08 kgv1→ = 5.04 i^ m/sm2 = 2.35 kgv2→ = -3.35 j^ m/sThere is no external force on…

Q: A 150 g ball with speed 8.0 m/s strikes a wall perpendicularly and rebounds in the opposite…

A: A 150 g ball with speed 8.0 ms strikes the wall perpendicularly. We choose our positive direction in…

Q: Two ice skaters approach each other at right angles. Skater A has a mass of 28.2 kg and travels in…

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Q: A ball of mass 5.43 kg makes a head-on elastic collision with a second ball (at rest) and rebounds…

A: Given: A ball of mass 5.43 kg makes a head-on elastic collision with a second ball (at rest) and…

Q: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table.…

A: The 3.5 g bullet is moving horizontally towards two blocks kept at rest. The bullet first penetrates…

Q: 2. A 5000 kg open train car is rolling on frictionless rails at 22 m/s when it starts pouring rain.…

A: Law of conservation of energy: The law of conservation of energy acting on the system where the…

Q: A 390 kg cannon sits on a frozen lake. It fires a 5.5 kg cannonball horizontally with a speed of 305…

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Q: A 2.0-g BB is shot into a 400-g wooden block.  The BB travels horizontally and  the block rests on a…

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Q: A 145 g baseball traveling directly to the left at a speed of 32 m/s reverses its direction of…

A: Given data: Mass of the baseball m=145 g      =0.145 kg Initial speed is v0=32 m/s Its direction is…

Q: A 5300 kg open train car is rolling on frictionless rails at 19 m/s when it starts pouring rain.…

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Q: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table.…

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Q: A 4.0 kg mess kit sliding on a frictionless surface explodes into two 2.0 kg parts, one moving at…

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Q: Two 490 g blocks of wood are 2.0 m apart on a frictionless table. A 12 g bullet is fired at 390 m/s…

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Q: direction

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Q: A car (mass = 1030 kg) is traveling at 30.1 m/s when it collides head-on with a sport utility…

A: We'll apply law of conservation of momentum here

Q: Two 2.2 kg bodies, A and B, collide. The velocities before the collision are V A = (311 +267) m/s…

A: To solve this problem, we can use the principle of conservation of linear momentum and the equation…

Q: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table.…

A: Given,mass of the bullet, m = 3.50 gmass of block 1, M1 =1.1 kgmass of the block 1, 1.69 kgv1 =…

Q: A rocket is at rest in space relative to the Earth and has a total mass (including propellant) of M…

A: Given data The total mass of the rocket is M = 2.55 x 105 kg The fuel consumption rate is m˙f= 480…

Q: A rifle is aimed at a block of wood which is suspended directly above the muzzle of the rifle. The…

A: Given: Mass of the bullet m = 7 g Mass of the block M = 93.0 g speed of the bullet before collision…

Q: A rocket is at rest in space relative to the Earth and has a mass of M = 2.55 × 10^5 kg when it is…

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Q: A bullet of mass 200 g traveling horizontally with a speed of 437 m/s. It strikes a block of mass…

A: Given data: m=200 gv=437 m/sM=4.5 kg Need to determine the magnitude of the impulse form the bullet…

Q: A 2.0 kg ball, moving with a speed of 0.20 M/S, hits a 6.0 kg stationary ball. The collision is…

A: given data as per question m1   =   2kg v1    =   0.20m/s m2   =   6kg

Q: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table.…

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Q: A 6.3 kg block with a speed of 3.9 m/s collides with a 12.6 kg block that has a speed of 2.6 m/s in…

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Q: A 61.1 g object (object 1) moving in the positive direction at 23.5 cm/s, makes a head-on elastic…

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Q: A football field is covered with frictionless ice. A 90.0 kg player is skating down the field with a…

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Q: Bernadetta has a mass of 58 kg. She is riding her skateboard east at 6 m/s. She collides with…

A: given: mB=58 kguB =6 m/s ( towards East)us= 3 m/s (towards West)V = 0.3 m/s (towards west)

Q: A golf club weighing 1.5 kg strikes a 45 g golf ball at a speed of 70 m/s. The club and the ball…

A: Given data: The mass of the golf club is M=1.5 kg. The mass of golf ball is m=45 g. The speed of…

Q: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are…

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Q: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table.…

A: Mass of the bullet, mb=3.50 g=3.50×10-3 kg Mass of block 1, m1=1.36 kg Mass of block 2, m2=2.03 kg…

Q: A 100-g bat collides with a stationary 1.2 kg teddy bear. Immediately after the collision, the bat…

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Q: A 160 g baseball is thrown with a speed of 20 m/s. It is hit straight back toward the pitcher at a…

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Q: A 47.0 kg boy stands on a sled that is stopped in the middle of a frozen pond. The boy jumps…

A: Dear student When there is no external force acting on the system the momentum bremains conserved.…

Q: . A sniper fires a bullet from a 7.5 kg rifle. The rifle recoils toward the sniper at 0.36 m/s2 .…

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Q: Two ice skaters stand facing each other at rest on a frozen pond. They push off against one another…

A: Since initially, both the skaters are at rest. Therefore their initial velocities= v= 0 m/s Since…

Q: A block with mass M = 5.70 kg is sliding in the positive x-direction at Vi = 8.45 m/s on a…

A: Given information: Mass of the moving block (M) = 5.70 kg Velocity of the moving block (Vi) = 8.45…