An 85-kg football player is running at 7.0 m/s and makes perfectly inelastic collision with a 105-kg linebacker that is at rest. How much Kinetic Energy is lost?

Q: Problem 7.03. In their courtship ritual, Bald Eagles collide mid-air and interlock talons, and fall…

A: Write the given values with the suitable variables. m1=5.65 kgu1=7.40 m/sm2=4.05 kgu2=-6.30 m/s…

Q: My two kids (Tim and Ellie) are on a Raft in a lake initially at rest and they jump off of the…

A: Mass of tim (m) = 65 kg Mass of Ellie (M) = 45 kg Velocity of tim (u) = -1.2 msVelocity of Ellie (U)…

Q: A 90.0 kg fullback running east with a speed of 5.00 m/s is tackled by a 95.0 kg opponent running…

A: In perfectly inelastic collision, two objects as stick together after collision Hence, tackle is…

Q: A 5.00-kg ball is hanging from a long but very light flexible wire when it is struck by a…

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Q: In a ballistic pendulum demonstration gone bad, a 0.55 g pellet, fired horizontally with kinetic…

A: Mass of the pellet  (m) =0.55gm =0.00055 kgKinetic energy of the pellet = 12mu2=3.35JThe velocity of…

Q: A 29500-kg open railroad car, initially coasting at 0.725 m/s with negligible friction, passes under…

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Q: A 44.1-g golf ball is struck horizontally with a golf club whose head has a mass of 214 g. The speed…

A: Solution: The speed and mass of the head of the golf club are 214g and 64 m/s respectively. This is…

Q: ly provide the solution to the following question using the GRASS method. Elastic and Inelastic…

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Q: A 17.0 kg-sled is coasting across the ice at a speed of 13.0 m/s when a 18.0 kg-package is dropped…

A: Given, Mass, m1 = 17 kg  Speed , v1 = 13 m/s  Mass, m2 =18 kg  Speed, v2 = 0  New Speed, v = ?

Q: Godzilla is fighting mothra in tokyo again. He climbs a tall building and while standing on top of…

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Q: At African Lion Safari an Ape has a head on elastic collision with a Flamingo. The Ape has a mass of…

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Q: Phrank has a mass of 80 kg and runs across the front of the classroom with a speed of 4 m/s, then…

A: Let the mass of Phrancine be m. Then by conservation of momentum before and after jumping on the…

Q: The Moon’s craters are remnants of meteorite collisions. Suppose a fairly large asteroid that has a…

A: Given values: Mass of asteroid, m1=4.80×1013 kg Initial speed of asteroid, v1=12.0 km/s Mass of…

Q: A 28000-kg open railroad car, initially coasting at 0.825 m/s with negligible friction, passes under…

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Q: Explosives are used to blow a rock apart. The explosion blows the rock apart into three fragments.…

A:

Q: a) A car stopped at an intersection has a mass 850 kg. It is rear-ended by a 300 kg truck traveling…

A: Given ,m1=850 kgm2 = 300 kgu1=0u2 =12.5 m/s

Q: A novice skier with mass of 65 kg poorly navigates the bunny slopes. The skier reaches the bottom of…

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Q: Someone has played a practical joke on you, and your favorite chair is stuck at rest in the middle…

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Q: A thin block of soft wood with a mass of 0.070 kg rests on a horizontal frictionless surface. A…

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Q: A 0.0450-kg golf ball initially at rest is given a speed of 25.0 m/s when a club strikes. If the…

A: The golf ball has a mass of 0.045 kg. Let m=0.045 kg. As given, the golf ball was initially at rest,…

Q: A dropped rubber ball hits the floor with a speed of 8.0 m/s and rebounds to a height of 0.25 m.…

A: The initial velocity of the ball hitting the ground is u = 8 m/s the rebound height oh the ball is h…

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…

A:

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: For each of the following collisions, state whether it is elastic or inelastic. (a) A ball is…

A: (a) Since the ball loses kinetic energy upon collision, therefore the collision is inelastic.

Q: An 78-kg man and a 44-kg woman pair figure skating team are gliding across the ice at 7.1 m/s,…

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Q: A 75 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending…

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Q: During a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 144 g baseball…

A: Concept

Q: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps grain…

A: Given: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps…

Q: ralroad car of mass 3.40 x 10 kg moving at 3.25 m/s collides and couples with two coupled railroad…

A: mass of railroad car = m1= m = 3.4 x 104 kg mass of two coupled car = m2= 2m = 6.8 x 104 kg

Q: A family is skating. The father (70 kg) skates at 7.0 m/s and collides and sticks to the mother (65…

A: Given mass of father = m1 = 70 kg . mass of mother = m2 = 65 kg . mass of daughter = m3 = 30 kg.…

Q: During an ice show, a 57.5-kg skater leaps into the air and is caught by an initially stationary…

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Q: A 80-kg soccer player jumps vertically upwards and heads the 0.45-kg ball as it is descending…

A:

Q: You are at the controls of a particle accelerator, sending a beam of 3.90x107 m/s protons (mass m)…

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Q: A completely inelastic collision occurs between two balls of wet putty that move directly toward…

A: From the conservation of momentum.

Q: Two Bowling balls are moving toward each other and collide. Assume elastic collision. M = 2 kg…

A: Write the expression for final velocity for elastic collision

Q: A yellow ball has a velocity of 6.5m/s and struck a red ball which is at rest. The red ball has a…

A: Given data: Initial velocity of yellow ball, u1=6.5 m/s Initial velocity of red ball, u2=0 Mass of…

Q: Situation 4. A railroad car of mass 2.50x10^4 kg is moving with a speed of 4.00 m/s. It collides and…

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Q: Warrior Princess Xena (65 kg) swings from a rope and kicks a 100 kg bad guy in the breast with her…

A: In the given situation Princess Xena swings from a rope therefore she must be carrying some momentum…

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 38.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending…

A: Introduction: Newton's laws of motion best describe the motion of the particle. According to…

Q: In a ballistics test, a 29 g bullet traveling horizontally at 1200 m/s goes through a 33-cm-thick…

A: Given:Mass of bullet = 29 g = 0.029 kgMass of target = 370 kgInitial velocity of bullet = 1200…