A 4900 kg open train car is rolling on frictionless rails at 27 m/sm/s when it starts pouring rain. Rain falls vertically. A few minutes later, the car's speed is 23 m/s. What mass of water has collected in the car?

Q: A block of mass m = 9.40 kg, moving on a horizontal frictionless surface with a speed 5.20 m/s,…

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Q: NA football player of mass 95 kg is running at a speed of 5.0 m/s down the field as shown in Figure…

A: A football player of mass, m1 = 95 kg is running at a speed of v1 = 5.0 m/s down the field as shown…

Q: A racquet ball with mass m = 0.248 kg is moving toward the wall at v = 16.5 m/s and at an angle of 0…

A: Momentum P = m v Where m = mass v = velocity

Q: An astronaut finds herself in a predicament in which she has become untethered from her shuttle. She…

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Q: A rubber ball with a mass of 0.190 kg is dropped from rest. From what height (in m) was the ball…

A: The momentum of the ball is, p=0.76 kgm/s The ball's mass is, m=0.19 kg The initial velocity of the…

Q: A 23 kg body is moving through space in the positive direction of an x axis with a speed of 130 m/s…

A: Given data: The total mass of the body is, m= 23 kg The velocity of the body m is, v= 130 m/s along…

Q: A 20 kg child runs at 4.0 m/s and jumps onto a shopping cart, which also has mass 20 kg. Assuming…

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Q: A projectile of mass 2.0 kg is fired in the air at an angle of 45.0° to the horizon at a speed of…

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Q: A bumper car with mass m1 = 110 kg is moving to the right with a velocity of v1 = 4.8 m/s. A second…

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Q: A meteorite of mass 2 kg is falling towards the ground with a speed of 100 m/s vertically downward.…

A: The formula for the impulse applied by the meteorite on the ground is: Substitute the known values…

Q: Cart A, with a mass of 0.20 kg, travels on a horizontal air track at 3.0 m/s and hits cart B, which…

A: Given :     Mass of cart A , mA = 0.20 kg     Mass of cart B , mB = 0.40 kg     Initial  velocity of…

Q: A cart of mass 2.00 x 102 kg moving at 2.50 m/s collides and couples with two coupled carts, each of…

A: Given data:  Mass of single cart (m1) = 2.00×102 kg Mass of two coupled carts(m2) = 2m1 = 4.00×102…

Q: In assembling a train from several railroad cars, two of the cars, with masses 2.0 x 104 kg and 4.0…

A: The mass of the lighter car,   The mass of the heavier car,   The initial speed of the lighter…

Q: A circus performer who is originally at rest catches a cannon ball shot at him. The cannon ball has…

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Q: During a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon…

A: (a) Apply principle of conservation of momentum m1v1=m1+m2v Rearrange in terms of recoiling speed…

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 ball of mass 0.165 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to…

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Q: An object of mass m is moving with speed v0 to the right on a horizontal frictionless surface when…

A: We know

Q: A 47 g tennis ball is served at 45 m/s. If the ball started from rest, what impulse was applied to…

A: Given data:  Mass (m) = 47 g = 0.047 kg Final velocity (Vf) = 45 m/s Initial velocity (Vi) = 0 m/s…

Q: A projectile of mass 2.0 kg is fired in the air at an angle of 44.0° to the horizon at a speed of…

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Q: Two identical ball bearings in contact with each other and resting on a frictionless table are hit…

A: Solution: We know that the expression for the total kinetic energy of a system is given as:  K.E =…

Q: A loaded railroad car of mass 6000 kg is rolling to the right at 2.0 m/s when it collides and…

A: Let v1 be the velocity of railroad car and m1 be its mass, and v2 be the velocity of freight car and…

Q: A shell at rest explodes into two fragments, one with a mass of im1 = 2.0 kg and the other m2 = 5.0…

A: It is given that m1=2 kgm2=5 kgK2=100 Ju=0

Q: A block of mass m=34 kg and speed v is behind a block of mass M=81 kg and speed is 50 m/s. The…

A: From the conservation of momentum, the expression for the momentum of the system is:

Q: A rocket in deep space moving with velocity of 300 m/s has an initial mass of 5000 kg, of which 2000…

A: Given : uR=300m/s         (Initial velocity of rocket)            dmgdt=5 kg/s        (Rate of…

Q: The air track glider of mass m1 = 0.200 kg traveling to the right at 0.750 m/s collides with a…

A: Mass of glider 1, m1=0.200 kg Mass of glider 2, m2=0.400 kg Initial velocity of glider 1 ,u1=0.750…

Q: A soccer ball of 4.40925 (2 kilosg) pounds moves to the right a speed of 0.5 m/s.  Hits a 0.1102311…

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Q: A rubber ball with a mass of 0.160 kg is dropped from rest. From what height (in m) was the ball…

A: Given: The mass of the ball is m=0.160 kg. The momentum of the ball is P=0.700 kg·m/s. The initial…

Q: A block of mass m = 8.40 kg, moving on a horizontal frictionless surface with a speed 4.20 m/s,…

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Q: A 5427.28 kg open train car is rolling on frictionless rails at 25.15 m/s when it starts pouring…

A: Ans:- Image-1

Q: A hockey puck of mass 0.45 kg is shot west at 2.20 m/s strikes a second puck, initially at rest, of…

A: Given,The mass of the first puck = m1 = 0.45 kgThe mass of the second puck = m2 = 0.57 kgThe initual…

Q: A block of mass m = 34 kg and speed Vis behind a block of mass M= 81 kg and speed of 0.50 m/s, as…

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Q: A puck with a mass m1 = 50 g moving at 1.0 m/s approaches a stationary puck with a mass m2 = 100 g…

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Q: A little fish has mass 0.400 kg and is floating motionlessly in the water, minding its own business,…

A:

Q: 2) Mass 1 = 5 kg is initially travelling east at 4.5 m/s. It strikes a stationary Mass 2 = 2.5 kg,…

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Q: A 4900 kg open train car is rolling on frictionless rails at 18.6 m/s when it starts pouring rain. A…

A:

Q: An air-track cart with mass m1 = 0.32 kg and initial speedv0 = 0.85 m>s collides with and sticks…

A: Given data: The mass of the first cart is: m1 = 0.32 kg The mass of second cart is: m1 = 0.44 kg The…

Q: In assembling a train from several railroad cars, two of the cars, with masses 2.0 x 10^4 kg and 4.0…

A:

Q: A block of mass m = 5.4 kg, moving to the right on frictionless surface with a speed Vi=9.2 m/s…

A: Given:-              Block of mass m = 5.4 kg                      Speed = 9.2 m/s

Q: An astronaut finds herself in a predicament in which she has become untethered from her shuttle. She…

A:

Q: A very massive object traveling at 10 m/s strikes a light object, initially at rest, and the light…

A: GivenInitial velocity of massive object um = 10 m/sInitial velocity of lighter object uL = 0 m/s

Q: A small marble (MA = 13.0 g ) slides to the left with a velocity of magnitude 20.0 cm/s on the…

A: mass of small marble = 13 g initial velocity of small marble = 20 cm/s towards left mass of larger…

Q: A block of mass m = 8.40 kg, moving on a horizontal frictionless surface with a speed 4.20 m/s,…

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