(a) (b)

Q: Calculate the final speed of a 110-kg rugby player who is initially running at 8.00 m/s but collides…

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Q: Railroad car A of mass 360.0 kg moving with a velocity VA collides and sticks with another railroad…

A: mass of car A = 360 kg initial velocity of A = VAmass of car B = 220 kg initial velocity of car B =…

Q: A 250 grams ball is fired from a spring gun into a 12 kg block of a ballistic pendulum. The block is…

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Q: Two particles of 4 kg and 2 kg, respectively, move on a surface without friction in opposite…

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Q: A railroad car collides with and sticks to an identical railroad car that is initially at rest.…

A: A railroad car collides with and sticks to an indentical railroad car that is initially at rest.…

Q: A 85 kg fullback moving east with a speed of 7.0 m/s is tackled by a 95 kg opponent running north at…

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Q: A ball of clay with a mass of 0.950 k is initially traveling towards the floor with a speed of 0…

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Q: A 55 kg boy on roller skates moves with a speed of 4 m/s. He runs into a 42 kg girl on skates.…

A: Given, Mass of boy,m1=55 kg Mass of girl,m2=42 kg Initial speed of boy,u1=4 m/s Initial speed of…

Q: 1) A 0.3kg ball is dropped from hague of 3.6 meters hits height of 2.5 meters. Using positive for…

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Q: In order to avoid the extra energy and time required in starting and stopping, whenever possible…

A: Mass of empty train and locomotive (M) = 23000 kg Mass of load of gravel (m) = 5200 kg Initial…

Q: the kinetic energy of the Ping-Pong ball is larger after its interaction with the bowling ball than…

A: Law of conservation of energy states that energy can neither be created nor be destroyed, it can…

Q: A charging bull elephant with a mass of 5400 kg comes directly toward you with a speed of 4.00 m/s.…

A: If the net external force acting on a system is zero then the total momentum of the system remains…

Q: Car A and B is moving East with a velocity of 60kph and 40kph respectively. The mass of car A is…

A: From the momentum conservation, Here, m, u and v represent the mass of the car, the initial…

Q: Question 3 a) A cannon of mass 2000kg fires a cannon ball of mass 10kg at an initial velocity of…

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Q: A boxer punches a 50-kg bag. Just as his fist hits the bag, it travels at a speed of 7 m/sec. As a…

A: Given: Weight of the bag m = 50 kg. Initial speed of the fist vhi = 7 m/s. Initial speed of the bag…

Q: = 0.26 kg) is fired at and embeds itself in a stationary target (mass = 2.40 kg). With what…

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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: oes every moving body posses both kinetic energy and momentum? Explain.

A: Answer Kinetic energy is the energy possessed by an object due to its motion. Momentum of a body is…

Q: A 7,300-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are…

A: Mass of the truck ( M ) = 7300 kg. Mass of the car (  m ) = 1000 kg Speed of truck and car after…

Q: A 10 g bullet is shot horizontally into a wooden block of mass 1kg. Just after the impact the bullet…

A: Mass of bullet is Mass of block is Coefficient of friction is Just after the impact the bullet gets…

Q: A 520 kg cannon fires a 5.6 kg cannon ball horizontally.  The recoil speed of the cannon at the…

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Q: A railroad car of mass 3.50 x 104 kg moving at 2:70 m/s collides and couples with two coupled…

A: Given Data  Mass of each railroad car is m=3.50×104 kg Speed of the first car is v1=2.70 m/s Speed…

Q: Consider the two pucks shown in the figure. As they move towards each other, the momentum of each…

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Q: n a 4kg mass car moving at a speed of 20 m/s in a horizontal plane without friction, an object of…

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Q: A 8,100-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are…

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Q: A 144-g baseball moving 28.0 m/s strikes a stationary 5.25-kg brick eating on small rollers so it…

A: Given:Mass of the ball = 144 g = 0.144 kgInitial velocity of the ball = 28 m/sMass of the brick =…

Q: 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…

A: The mass of the first car is, m1=480 kg The initial speed of the first car is, u1=16.4 m/s The mass…

Q: You have a mass of 72kg. If you slide on ice at 3.6m/s to greet a 40kg friend who is standing still.…

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Q: A 2 kg falcon is diving at 28 m/s at a downward angle to intercept a 500 g dove flying horizontally.…

A: Mass of the falcon,Mass of the dove,Initial velocity of the falcon before collision,Initial velocity…