Two figure skaters are standing motionless on the rink when they push off each other. The first skater has a mass of 80 kg and a final velocity 3 m/s . if the second skater has a final velocity of -7.8 m/s. What is her mass?

Q: A soccer player takes a corner kick, lofting a stationary ball 40.0° above the horizon at 19.0 m/s.…

A: The mass of a soccer ball,

Q: o the east at 10 m/s and object B with mass 3 kg travels south at 20 m/s. The direction of the joint…

A: We know that Object A with a mass of m1=  8 kg travels to the east at u1=  10 m/s and object B with…

Q: Car a of mass m a = 2000 kg is moving to the right at 10 m/s when it collides with and sticks to a…

A: Given data The mass of car A is given as mA = 2000 kg. The initial velocity of the car A moving…

Q: A 1,000-kg car is initially traveling due east at 26 m/s when it collides with a 2,000-kg truck that…

A:

Q: by an 89-kg linebacker traveling with an initial speed of 5.2 m/s. As the two players move together…

A: Given:- A initial velocity of the quarterback is u1 = 0 m/s  A initial velocity of the linebacker is…

Q: Two cars approach an ice-covered intersection. One car, of mass 1.10  103 kg, is initially traveling…

A:

Q: Player A has a mass of 128 kg and a velocity of 3.5 m/s. Player B has a mass of 112 kg and a veloci

A: Mass of player A,MA=128kgMass of player B,MB=112kginitial velocity of player A,UA=3.5m/s initial…

Q: 2200-kg auto moving northward at 12.0 m/s runs into a 3800-kg truck which is also moving northward,…

A:

Q: person 1 who is 50 kg, is fencing westward at a speed of 15 m/s has a head-on collision with Person…

A: Given  mass(m1)=50 kg speed( V1)=15 ms-1 mass(m2)=45 kg speed(V2)=5 ms-1 Required speed after…

Q: The parking brake on a 2000 kg Cadillac has failed, and it is rolling slowly, at 1 mph, toward a…

A:

Q: Jackson, whose mass is 30 kg, ran toward his skateboard at 3.0 m/s. He jumped and landed on the 2.5…

A: Since you have asked multiple questions, we will solve the first question for you. if you want any…

Q: An accident occurs at the intersection of a road. A 4971 kg jeepney moving south at 26.8 m/s…

A: We have a car of mass m1=4971 kg moving with a velocity v1=26.8 m/s due south (-y direction) which…

Q: A 9.5 kg bowling ball races down the lane at 15.0 m/s before striking a bowling pin (at rest) with a…

A: Given data: Mass of bowling ball (m1) = 9.5 kg Initial velocity of bowling ball (u1) = 15.0 m/s Mass…

Q: A speeding train (with mass 444,000 kg) is moving east with speed 88.9 m/s. Superman (with mass 90.7…

A:

Q: 9.600-g bullet is fired into a stationary block of wood having mass m = 5.050 kg. The bullet imbeds…

A: Mass of bullet m1 = 9.600 g = 9.6×10-3 kg

Q: 7. Misma, an aspiring figure skater, collides with Mehr, a rival figure skater, who had an initial…

A: Given data: The initial velocity of Mehr is V1i=3.5 m/si. The mass of Mehr is m1=55 kg. The final…

Q: 11.A 1300 kg car runs into the rear of a 1900 kg van that was travelling at 8 m/s. After collision,…

A:

Q: If two rail cars crash together and hook up with each other, what will be the final velocity of the…

A: Given Car 1mass m1=52000 kgInitial velocity u1=0.15 mphCar 2mass m2=72000 kgInitial velocity…

Q: A 2200-kg auto moving northward at 12.0 m/s runs into a 3800-kg truck which is also moving…

A: Given data:  Mass of auto (m1) = 2200 kg The velocity of auto (V1) = 12.0 m/s, towards North  Mass…

Q: On an ice skating rink, a girl of mass 50 kg stands stationary, face to face with a boy of mass 80…

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Q: While a giant man stands on the top of a building, an elephant slams into him at a speed of 360 m/s.…

A:

Q: 8.37 •• On a very muddy football field, a 110-kg linebacker tack- les an 85-kg halfback. Immediately…

A:

Q: (a) Rank these automobiles based on the magnitude of the impulse needed to stop them, from largest…

A:

Q: Three questions have the same general description. A 2400 kg truck is traveling at 24 m/s and runs…

A: solution is given by

Q: The air track glider of mass m1=0.300 kg, traveling to the right at a speed of 0.800 m/s, crash…

A: Conservation of linear momentum principle is applicable for the collision of two bodies . When two…

Q: Two ice skaters, initially at rest, push off each other in opposite directions. The skater labeled…

A:

Q: Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg…

A: Given:            mass m1 = 45kg            mass m2 = 60kg               v1         = 0.375m/s…

Q: Two 2712 kg train cars roll toward each other (Car A at 0.34 m/s, Car B at -2.5 m/s) on a level…

A: Given Mass of the two cars is m=2712 kg Initial velocity of the two cars are vA=0.34 m/s and vB=-2.5…

Q: Two cars approach an ice-covered intersection. One car, of mass 1.10  103 kg, is initially traveling…

A: Write the given data. m1=1.10×103 kgV1ix=0V1iy=10.1 m/sm2=1.55×103 kgV2ix=10.1 m/sV2iy=0

Q: On a frictionless air track where motion is constricted to a line, a 2.0-kg glider moving in the…

A: Given data:Mass of the first glider, M1 = 2.0 kgInitial velocity of first glider, u1 = 4 m/sMass of…

Q: An pickup truck with mass 1.85  103 kg is traveling eastbound at +14.7 m/s, while a compact car with…

A: (a) Use the conservation of meomentum, as the external force is not acting on the system, the…

Q: Two boxes make a perfectly elastic collision on a horizontal frictionless surface as shown in the…

A:

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

A:

Q: A 2x10^3 g metal sphere makes an elastic collision with another metal sphere at rest and continues…

A:

Q: A 2200-kg auto moving northward at 12.0 m/s runs into a 3800-kg truck which is also moving…

A: mass of auto (m) = 2200 kg initial velocity of auto (u) = 12 ms , due north mass of truck (M) = 3800…

Q: One car (2000 kg) is traveling in the positive x direction with a speed of 20 m/s and a second car…

A: Given quantities: mass of first car (m) = 2000 kg mass of second car (M) = 2500 kg initial velocity…

Q: Consider a 935 kg car initially moving at 30.5 m/s.  a) what is the velocity of the car, in meters…

A:

Q: A 75.0-kg paint cart with rubber bumpers is rolling 0.965 m/s to the right and strikes a second cart…

A:

Q: A falcon with a mass of 0.258 kg is flying along at a horizontal speed of 8.2 m/s and it sees a…

A: Using the conservation of momentum, pi=pfm1u1+m2u2=m1+m2vv=m1u1+m2u2m1+m2

Q: Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg…

A:

Q: Running at 2 m/sec, Jack, the 45-kg quarterback, collides with Leon, the 90-kg tackle, who is…

A: Given value--- Jack initial speed = 2 m/s. Jack mass = 45 kg. Leon mass = 90 kg. Leon initial speed…

Q: If an 800 kg sports car slows to 13.0 m/s to check out an scene and the 1200 kg pick-up truck behind…

A: Let,m1=800kgv1=13m/sm2=1200kgv2=25m/sLet V be the velocity after a rear end collision.

Q: A train engine’s mass is 22500 kg and is moving at 25 m/sec, and hits an empty train car with a mass…

A:

Q: A 1,500-kg car is traveling due east at 20 m/s when it undergoes a perfectly inelastic collision…

A: Given data: The mass of cars are, m1=1500 kgm2=3000 kg The velocity of cars are, v1=20 m/si^v2=15…