A 80 kg person running at 6.9 m/s, catches up with a 60 kg person running away from him at 5.7 m/s, and tackles him. What will the speed of the combined mass of two people just after the tackle?

Q: You have three identical train cars, each of mass 2,618 kg, that are coupled (attached) together.…

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Q: A 65.8-kg person throws a 0.0441 kg snowball forward with a ground speed of 32.5 m/s. A second…

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Q: A 3,500 kg pickup truck is travelling eastward at a velocity of 15.0m/s when it collides into the…

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Q: In the railroad freight yard, an empty freight car of mass m rolls along a straight level track at…

A: (a) The initial speed of the empty car is, u1=1.2 m/s The initial speed of the loaded car is, u2=0…

Q: 28. A runner with a mass of 75 kg is dashing at a speed of 7.5 m/s makes a perfectly inelastic…

A: From the law of conversation of linear momentum, m1v1+m2v2=(m1+m2)v (75)(7.5)+m2(0)=(75+95) v v=3.31…

Q: A 35 kg girl running 2.3 m/s jumps into a stationary 8.0 kg wagon. What is the speed of the…

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Q: A bumper car with mass 796 kg traveling at 6.00 m/s hits from behind another bumper car of mass 600…

A: Step 1. Identify the variables to be used and identify what needs to be computed. Assuming that the…

Q: During a concert, a 120 kg firework travels north at 80 m/s. Unfortunately, it collides with a…

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Q: Two cars collide at an icy intersection and stick together afterward. The first car has a mass of…

A: (a) Let v1 and v2 denote the velocity of the cars before the collision, m1 and m2 denote the masses…

Q: A 1 210.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes…

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Q: Casey is driving a 1600 kg car toward the east. She goes through an intersection at a speed of 16…

A: given that, Casey is driving a 1600 kg car toward the east.  speed of 16 m/s (approximately 35 mph),…

Q: - A railroad car of mass 2.50 × 10ª kg is moving with a speed of 4.00 m/s. It collides and couples…

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Q: a car with a mass of 1300 kg is westbound at 45km/h. It collides at an intersection with a…

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Q: What is the speed of the garbage truck, in meters per second, just after it hits and adheres to a…

A: mass of truck m1 = 1.5 x 104 kg  velocity of truck before collision u1 = 25 m/s  mass of trash m2 =…

Q: Two train cars on a frictionless track have a completely inelastic collision in which they "couple"…

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Q: Two cars collide at an intersection on a horizontal road. One car, with a mass of 1.37 × 10° kg, is…

A: Given data: Mass of the car 1, m1 = 1.37×103kg=1370 kg  The initial velocity of car 1,  u1 =8.12 m/s…

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: What is the velocity (in m/s) of a 915 kg car initially moving at 28.0 m/s, just after it hits a 145…

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Q: Suppose M1 (1 kg) is moving at 3 m/s in the + x direction. M2 (2 kg) is moving at 3 m/s in the -x…

A: Let the velocity in the +x direction be positive and the velocity in the -x direction be negative.…

Q: A 30-kg girl and a 40-kg boy are together, standing at rest on their ice skates on an ice skating…

A: Given data- Mass of the girl mg=30 kg Mass of the boy mb=40 kg Initially both were at rest thus…

Q: A west bound 1500 kg car moving at 13.0 m/s collide with a north bound 2500 kg car moving at 20.0…

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Q: An 87 kg wide receiver is running at 9.4 m/s and is hit by a 110 kg linebacker traveling in the…

A: Given that,Mass of wide receiver : m1 = 87 (kg)Speed of receiver  : v = 9.4 (m/sec)Mass of…