Calculate the final velocity right after a 119 kg rugby player who is initially running at 7.55 m/s collides head‑on with a padded goalpost and experiences a backward force of 18100 N for 5.50×10−2 s.

Q: A 61 kg person stands in the middle of a raft which is at rest on a lake. If the person walks at…

A: Here we have to apply the law of conservation of linear monentum.Mass of man MM=61 kgLet the…

Q: The largest animal ever to have lived on Earth is the blue whale. Consider a blue whale with a mass…

A: Speed V = 24 km/h = (24×5/18)m/s  = 6.67 m/s Momentum = MV  = (1.46 x 10^5)×(6.67m/s)  = 9.73×10^5…

Q: 1 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car moving away…

A: Given a 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car…

Q: e travel is debris left by previous missions. There are several thousand masses large enough to…

A: We know that We have given that the mass of the chip is m = 0.160 mg a space shuttle window at a…

Q: 0.145-kg baseball pitched at 38.0 m/s is hit on a horizontal line drive straight back at the pitcher…

A:

Q: A railroad diesel engine weighs four times as much as a freight car. The diesel engine coasts at 4.0…

A: Given data: Mass of diesel engine (m1) = 4m2 Mass of freight car = m2 Initial velocity of diesel…

Q: Suppose a clay disc has a mass of .249 kg and slides on ice at a speed of .510 m/s. It runs into…

A: Given:mass , m1 = 0.249 kginitial velocity, u1 = 0.510 m/smass, m2 = 0.392;kg initial velocity of…

Q: A car with a mass 950kg and speed of 16m/s approaches an intersection, as shown. A 1300 kg minivan…

A: Mass of vehicle 1 is Initial velocity of vehicle 1 is  along +x-axis.Mass of vehicle 2 is Initial…

Q: What is the average momentum (in kg · m/s) of a 66.0 kg sprinter who runs the 100 m dash in 9.74 s?…

A:

Q: (a) What is the mass of a large ship that has a momentum of 3.60 ✕ 109 kg·m/s, when the ship is…

A: a) Momentum = 3.6 * 109 kgm/s speed = 56 km/hr  = 56 * 5/18 m/s  = 15.56 m/s using formula for…

Q: 31. E SSM Batman (mass = 91 kg) jumps straight down from a bridge into a boat (mass = 51o kg) in…

A: Given data:  Mass of boat (m1) = 510 kg Initial velocity of boat (V1) = +11 m/s Mass of batman (m2)…

Q: One hazard of space travel is debris left by previous missions. There are several thousand masses…

A:

Q: (a) What is the mass of a large ship that has a momentum of 1.40 x 10° kg-m/s, when the ship is…

A: (a)    Given data :                  Momentum of the ship,    P =1.40×109 kg.m/s…

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

A:

Q: A 1050 kg sports car is moving westbound at 15.0 m/s on a level road when it collides with a 6320 kg…

A: a. Let east be the x direction. According to the conservation of momentum, m1v1+m2v2=m1+m2v

Q: One hazard of space travel is debris left by previous missions. There are several thousand masses…

A: Given:

Q: Suppose a clay model of a koala bear has a mass of 0.205 kg and slides on ice at a speed of 0.745…

A: The total momentum of an isolated system remains constant. Initially, the koala bear slides with a…

Q: A pitcher claims he can throw a 0.142-kg baseball with as much momentum as a 2.88-g bullet moving…

A:

Q: One hazard of space travel is debris left by previous missions. There are several thousand masses…

A: Given information: Here, m is the mass of the paint flake, v is the flake’s relative speed and Δt…

Q: Standing and facing each other, two hockey players push off and move in opposite directions. The…

A: Given,  m2 = 58 kg v2= 0.32 m/s m1= 25 kg We need to find,  v1=?

Q: An 82-kg male and a 48-kg female pair figure skating team are gliding across the ice at 7.4 m/s,…

A: Given data The mass of the male is mm=82 kg The mass of the female is mf=48 kg The speed of the team…

Q: 3.1 kg gun initially at rest is free to move. When a .015kg bullet leaves the gun with speed of…

A: Conservation of momentum

Q: A 0.24 kg blob of clay is thrown at a wall with an initial velocity of 23 m/s.  If the comes to a…

A: Acceleration is the change in velocity over time.

Q: Squid rely on jet propulsion when a rapid escape is necessary. A 1.5 kg squid at rest pulls 0.10 kg…

A: Given data: Mass of squid, m1=1.5 kg Mass of water, m2=0.10 kg Velocity due to ejection of water,…

Q: A 0.140-kg baseball is thrown with a velocity of 27.1 m/sIt is struck by the bat with an average…

A: Mass of ball, m = 0.140 kg  Initial velocity of ball , u = 27.1 m/s  Final velocity of ball , v = -…

Q: One hazard of space travel is debris left by previous missions. There are several thousand masses…

A: The mass of the chip of the paint, m=0.140 mg = 0.140×10-6 kg The relative speed of the chip of the…

Q: Calculate the final velocity right after a 116 kg rugby player who is initially running at 7.85 m/s…

A: Mass is m=116 kg Initial velocity is u=7.85 m/s The force is F=17700 N, backward. The time is…

Q: A 91 kg man lying on a surface of negligible friction shoves a 68 g stone away from himself, giving…

A:

Q: A 105-kg rugby player is initially running at 7.5 m/s in the positive direction, but collides…

A:

Q: t (a) What is the mass of a large ship that has a momentum of 3.00 x 10 kg m/s, when the ship is…

A: a)We've to apply the principles of momentum.Which is defined as the product of an object's mass and…

Q: A man claims that he can hold onto a 12.0-kg child in a head-on collision as long as he has his seat…

A: Given:  Mass = 12.0 kg Speed = 60.0 mi/h Time taken to come to rest = 0.10s

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: Suppose that a garbage truck is 1.35 × 104 kg and is initially moving at 24.5 m/s. What is the…

A: Given data:   Mass of a garbage truck (m1) = 1.35×104 kg 13500 kg Initial velocity of truck (V1) =…

Q: A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun…

A: Given data The mass of the bullet is m=0.0300 kg. The initial speed is u=0 m/s The final speed is…