A big fish of mass 15 kg moving to the right at 4 m/s swallows a little fish mass of 3 kg moving towards it at 6 m/s. What is the velocity of the big fish after it swallows the small fish?

Q: A small car with mass of 71.25 kg moves at 52.5 m/s and collides head-on to a 285 kg truck moving at…

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Q: A 65.5-kg person throws a 0.0420-kg snowball forward with a ground speed of 35.0 m/s. A second…

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Q: A railroad car with a mass of 12,000 kg moving with a speed of 12 m/s collides with a second car…

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Q: Two carts move simultaneously to opposite direction as in an explosion along a horizontal surface.…

A: Given data: Considering the velocity along right side is positive and that of left side is negative.…

Q: Cart X (m 2.0 kg) is traveling to the right at 3.50 m/s toward Cart Y. Cart Y (m 9.0 kg) is…

A: Consider the motion towards the right as positive and the motion towards the left as negative. Write…

Q: Batman (mass = 98.7 kg) jumps straight down from a bridge into a boat (mass = 422 kg) in which a…

A: Mass of the boat,

Q: A car (mass= 710 kg) moves along an icy road (no friction!) with a velocity of 9.5 m/s. It slides…

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Q: A car of mass m, traveling at velocity v passes a car of mass m 2 parked at the side of the road.…

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Q: An object of mass 7.60 kg is projected into the air at a 55.0 degree angle. It hits the ground at…

A: From the question, it is given that- Mass of object: m = 7.60 kg Angle of projectile: θ = 55.0o…

Q: A 15 kg little boy walking by the side of a pond, throws bread into the pond. A 6.00 kg duck and a…

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Q: A 98.0-kg parts cart with rubber bumpers rolling 1.20 m/s to the right crashes into a similar cart…

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Q: A 2.3 kg Red cart is moving to the right at 7.7 m/s, it runs into a 1.3 kg Green cart moving to the…

A: According to the conservation of momentum

Q: Two ice skaters are skating directly towards each other. Skater A has a mass of 50 kg and a velocity…

A: Given that:mA=50 kguA=12 m/smB=57 kguB=-9 m/sLet the final combined velocity is v

Q: Two pieces of tape are put on the air track at a distance of 1.50 m. A 0.350 kg glider on the air…

A: Apply kinematic equation to the glider to find the velocity of glider.

Q: Two vans are moving towards each other. Van A has a mass of 70 kg and is moving to the right with a…

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Q: Assume that a clay model of a lion has a mass of 0.225 kg and slides on ice at a speed of 0.65 m/s.…

A: Consider the clay model of a lion of mass ml and slides with an initial speed  denoted by vl sticks…

Q: An object of mass 8.40 kg is projected into the air at a 55.0° angle. It hits the ground 3.40 s…

A: Given:-  The mass of the object is m = 8.40 kg  The object is projected into the air at an angle θ=…

Q: A 68.5-kg person throws a 0.0490-kg snowball forward with a ground speed of 34.5 m/s. A second…

A: According to the conservation of momentum, the initial and final momentum of the ball-thrower system…

Q: A 65.5-kg person throws a 0.0420-kg snowball forward with a ground speed of 31.5 m/s. A second…

A: Given: Mass of thrower m1 = 65.5 kg  Mass of snowball mb=0.0420 kg Speed of the ball vb=31.5 ms…

Q: Two ice skaters, Sandra and David, stand facing each other on frictionless ice. Sandra has a mass of…

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Q: A 65.5-kg person throws a 0.0420-kg snowball forward with a ground speed of 35.0 m/s. A second…

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Q: Cars are equipped with air bags to prevent occupants from colliding with a dashboard or windshield.…

A: Cars are equipped with air bags.  Mass of the person , m = 50 kg Velocity of moving , u = 20m/s…

Q: . Cart A of mass 0.75 kg moves to the right at a speed of 5 m/s. Cart B of mass 1.5 kg is at rest.…

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Q: A 15 kg little boy walking by the side of a pond , throws bread into the pond. A 6.00 kg duck and a…

A: 15 kg little boy walking by the side of a pond , throws bread into the pond. A 6.00 kg duck and a…

Q: 4.AA golf ball moving forward with a momentum of 1.0 kgm/s strikes and bounces backward off a heavy…

A: Given:- A golf ball momentum before the collision is Pi =  1.0 kg m/s The golf ball bounces backward…

Q: An SUV with mass 1.80 × 103 kg is travelling eastbound at +15.0 m/s, while a compact car with mass…

A: (a) Use conservation of momentum m1u1+m2u2=m1+m2vv=m1u1+m2u2m1+m2=1.80×103 kg15.0 m/s+9.00×102…

Q: A 69.0-kg person throws a 0.0455-kg snowball forward with a ground speed of 35.0 m/s. A second…

A: For the system of thrower + snowball,

Q: 8. For cars of different mass are driving at the same velocity on the road. All four cars are moving…

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Q: What is the magnitude and direction of Jill's velocity after the collision?

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Q: Two football players with masses of 60 kg and 50 kg run directly toward each other. The 60 kg…

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Q: In a physics lab, 0.5 kg cart (Cart A) moving rightward with a speed of 1.5 m/s collides with a 1.50…

A: Given Data: The mass of cart A is, mA=0.5 kg The initial speed of cart A is, uA=1.5 m/s The mass of…

Q: Godzilla is fighting Mothra in Tokyo (again). Godzilla climbs a tall building and, while standing on…

A: The conservation of momentum, the initial momentum of the Mothra and the Godzilla will be,

Q: A 15 kg little boy walking by the side of a pond, throws bread into the pond. A 6.00 kg duck and a…

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Q: Mary slides down a snow-covered hill on a large piece of cardboard and then slides across a frozen…

A: Given information:Mass of Marry (m1) = 70 kgMass of sue (m2) = 56 kgInitial velocity of Marry (v1) =…

Q: South bound railroad car with mass of 13,000kg moving at 25 m/s collides and couples with a North…

A: Choose a proper co-ordinate system and draw velocity/momentum vector.

Q: The magnitude of the before- and after-collision momentum of two colliding objects is shown. The…

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Q: Two balls of the same mass are thrown towards a wall and collide with it moving with a speed of 5…

A: When the ball A collides the change in velocity will be 5 - (-4) =  9 m/s,  If m is the mass of the…

Q: Change in momentum (Impulse) on a Cart BEFORE 2 m/s 10 kg AFTER 10 kg 2 m/s A 10 kg cart is rolling…

A: To determine,change in momentum(∆P).given,mass of the cart(m)=10 kgvelocity before collision(v1)=2…

Q: A car (mass 900kg) travelling north at 72kmhr¹ and a truck (mass 40000) travelling south at 60kmhr¹…

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Q: Jack (mass 52.0 kg) is sliding due east with speed 8.00 m/s on the surface of a frozen pond. He…

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Q: A 0.625 kg basketball is thrown across the court at a speed of 5.6 m/s.What speed must a 0.490 kg…

A: Apply conservation of momentum   Initial Momentum = final momentum

Q: kg m/s O Compare the elephant's momentum with that of a 0.0400 kg bullet fired at a speed of 600…

A: Momentum is the  product of the mass of a particle and its velocity. Here, we calculate the given as…

Q: A 67.5-kg person throws a 0.0440-kg snowball forward with a ground speed of 34.0 m/s. A second…

A: The given values are,

Q: Two carts in a physics lab roll on a level track, with negligible friction. These carts have small…

A: Mass of the first cart, m1=675 g The velocity of the first cart, v1=6.5 m/s ( we take velocity is…