Three skydivers are plummeting earthward. They are initially holding onto each other, but then push apart. Two skydivers of mass 70 and 80 kg gain horizontal velocities of 1.2 m/s north and 1.4 m/s southeast, respectively. What is the horizontal velocity of the third skydiver, whose mass is 55 kg?

Q: A system of four particles moves along one dimension. The center of mass of the system is at rest,…

A: Given:                   Required: The velocity of the particle 4 at time t = 2.83 sec as all the…

Q: A 1.80-kg particle has a velocity (1.60 î – 3.50 ĵ) m/s, and a 4.50-kg particle has a velocity (1.00…

A: mass of first particle (m) = 1.80 kg Velocity of first particle (u) = 1.60i^ - 3.50j^ msmass of…

Q: A projectile of mass 2.0 kg is fired in the air at an angle of 45.0° to the horizon at a speed of…

A:

Q: Consider a system of three equal-mass particles moving in a plane; their positions are given by 7; =…

A: Given value--- position r = ai I + bi j . Particle 1 has a₁ = 6t² +5 and b₁ = 0; particle 2 has a₂…

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A: Given a hiker of mass 65 kg is standing on a stationary raft of mass 35 kg. He is carrying a 19-kg…

Q: A shooter of mass m2 = 80 kg shoots a bullet of mass m1 = 3 g in a direction θ = 60.0◦ with respect…

A: Given: Mass of shooter, m2=80 kg Mass of bullet, m1=3 g=0.003 kg Velocity of bullet, v1=500 m/s…

Q: In a football game, 123.5 kg linebacker moving west at 0.95 m/s tackles an 86.4 kg running back…

A: Given data: The mass of linebacker player is m1=123.5 kg. The mass of running back player is…

Q: A rocket is at rest in space relative to the Earth and has a total mass (including propellant) of M…

A: Given data The total mass of the rocket is M = 2.55 x 105 kg The fuel consumption rate is m˙f= 480…

Q: Three carts of masses m1 = 4.50 kg, m2 = 7.50 kg, and m3 = 3.00 kg move on a frictionless,…

A: According to the law of conservation of linear momentum, m1v1+m2v2+m3v3=m1+m2+m3v   The 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: Two trucks of equal mass collide at a 90° intersection. If the momentum of truck A is 9.50x104 kg…

A: Given that:- pA=9.5×104 kg.km/h (East)pB=1.05×105 kg.km/h (North)m=mass of each truck

Q: Two carts of mass 0.65 kg and 1.50 kg are moving on a level air track with velocities -1.60 m/s and…

A: Given, mass of the cart, m1 = 0.65 kgm2 = 1.50 kgv1 = -1.60 msv2 = +0.85 ms

Q: Two manned satellites approach one another at a relative speed of 0.100 m/s, intending to dock. The…

A: Mass of the satellites,

Q: A small block of mass m1 = 200g slides across a horizontal surface without friction with a speed u1…

A:

Q: While moving with a velocity v1= 9.8 i - 6.9 j - 9.4 k ) m/s, m1 = 3.4 kg collides with m2 = 8 kg,…

A:

Q: A system of four particles moves along one dimension. The center of mass of the system is at rest,…

A: The system would be in equilibrium when the net force acting on the system is equal to zero. m1=1.33…

Q: A bullet of mass m initially traveling at speed v imbeds itself in a wooden block and travelsΔx…

A:

Q: Two cars approach an intersection which is covered in ice (and frictionless). The first car of mass…

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Q: Three 70-kg deer are standing on a flat 200-kg rock that is on an ice-covered pond. A gunshot goes…

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

A:

Q: A shooter of mass m 2 = 80 kg shoots a bullet of mass m 1 = 4 gram horizontally, standing on a…

A: Given data: The mass of the shooter, m2=80 kg. The mass of the bullet, m1= 4 g. The muzzle velocity…

Q: An SUV with mass 1.80 x 103 kg is travelling eastbound at +15.0 m/s, while a compact car with mass…

A: M =1800 kg  m = 900 kg  U = 15 m/s  u = - 15 m/s

Q: A railway car of mass 1.37 x104kg, rolling at 20.0 km/h [N] collides with another railway car of…

A: Image-1

Q: A large fish with mass 4.9 kg suddenly accelerates to a velocity 3.3 m/s to the right to gobble up a…

A: given that  mass of large fish =4.9 kg velocity =3.3 m/s mass of small fish = 0.4 kg velocity =0.8…

Q: What is the magnitude and direction of the resultant momentum of a system of two particles with…

A: Given data: The masses are, m1=3.75 kg m2=4.2 kg The velocities are, v1=5.6 m/s (north) v2=2.3 m/s…

Q: Three particles of masses m1 = 2.5 kg, m2 = 4.1 kg and m3 = 3.1kg are at the corners of an…

A:

Q: A green toy car with 0.025-kg mass moves to the right at 0.30 m/s and has a head-on, elastic…

A:

Q: A ship of mass m_b = 200 kg with three passengers, of masses m_1 = 50.0 kg, m_2 = 65.0 kg, m_3 =…

A:

Q: A system of four particles moves along one dimension. The center of mass of the system is at rest,…

A:

Q: A 0.130-kg baseball is dropped from rest. If the magnitude of the baseball's momentum is 1.75 kg⋅m/s…

A:

Q: A system consists of three particles with these masses and velocities: mass 3.00 kg, moving north at…

A: Given data: Mass of first particle (m1) = 3.00 kg Velocity of first particle (v1) = +3.00 m/s Mass…

Q: A bullet of mass m = 8.00 g is fired into a block of mass M = 240 g that is initially at rest at the…

A: SOlution: as given that mass of tge bullet m = 8 g mass of the block M = 240 g height of table h = 1…

Q: A green toy car with 0.025-kg mass moves to the right at 0.30 m/s and has a head-on, elastic…

A: mass of green toy car (m) = 0.025 kg initial velocity of green toy car (u) = 0.30 msmass of black…

Q: A 75 - kg fisherman in a 125 - kg boat throws a package of mass m =15 kg horizontally toward the…

A: Let vi be the velocity with which package leaves the boat, and vf be the velocity with which boat…

Q: A skater of mass 72.5 kg initially moves in a straight line at a speed of 4.80 m/s. The skater…

A:

Q: Two arrows are fired simultaneously with the same speed of 30.0 m/s. Each arrow has a mass of 0.100O…

A: Given Speed = 30m/s Mass = 0.100 kg

Q: A 0.033 kg bullet is fired vertically at 180 m/s into a 0.15 kg baseball that is initially at rest.…

A: Given, Mass of bullet, m1=0.033 kg, Mass of ball, m2=0.15 kg, velocity of bullet, v1=180 m/s,…

Q: A particle with a mass of 2.45 kg is acted on by a force F, acting in the x-direction. If the…

A: Given  Mass of particle m=2.45 kg Initial velocity u=0

Q: In a football game, 100.5 kg linebacker moving west at 0.67 m/s tackles an 85.0 kg running back…

A:

Q: A system of four particles moves along one dimension. The center of mass of the system is at rest,…

A: If no external force acts on a system of particles and its center of mass is at rest initially, it…

Q: A system of four particles moves along one dimension. The center of mass of the system is at rest,…

A:

Q: After reviewing so hard your mass becomes 60.0 kg. Right after the exam you decided to be fired by a…

A:

Q: Ball a with mass ma=42kg is thrown in the horizontal direction with a velocity of va=16 m/s, and…

A: Considering collision along x and y axes seprately. We have PAxi+PBxi=PAxf+PBxf PAyi+PByi=PAyf+PByf