A hiker of mass 65 kg is standing on a stationary raft of mass 35 kg. He is carrying a 19-kg backpack, which he throws horizontally. The resulting velocity of the hiker and the raft is 1.1 m/s [S] relative to the water. What is the velocity with which the hiker threw the backpack, relative to the water?

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 marksman holds a rifle of mass mR = 3.00 kg loosely in his hands, so as to let it recoil freely…

A:

Q: A block of mass m = 5.6 kg, moving on a frictionless surface with a velocity of vi=6.5m/s to the…

A:

Q: In an experiment designed to determine the velocity of a bullet fired by a certain gun, a wooden…

A: M = 600 g  m = 5.75 g  height, h = 50 cm

Q: A 2.59 kg particle has a velocity of vx = 5.43 m/s and vy = −3.96 m/s. Find the magnitude of its…

A: The given values are, m=2.59 kgvx=5.43 m/svy=-3.96 m/s

Q: An object of mass 3.00 kg, moving with an initial velocity of 4.97 i m/s, collides with and sticks…

A:

Q: A particle with a mass of 2.80 kg is acted on by a force F, acting in the x-direction. If the…

A: a. the area under Ft graph is equal to the impulse. Then

Q: A block with mass M = 5.65 kg is sliding in the positive x-direction at V, = 8.40 m/s on a…

A: The given values are,

Q: Three skydivers are plummeting earthward. They are initially holding onto each other, but then push…

A: Since initially, the skydivers plummet earthward, that is, the motion is vertically downward, their…

Q: A gun fires 4.8 bullets per second at a speed of 640 m/s. The mass of each bullet is 0.014 kg. What…

A: DATA   Mass of each bullet,  m=0.014 kg   Firing rate, n=4.8/s   Speed, v=640 m/sREQUIRED    Average…

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: A block of mass m = 5.6 kg, moving on a frictionless surface with a velocity of vi=6.5m/s to the…

A:

Q: Two vehicles of masses m1 = 8000 kg and m2 = 82 x 100 kg undergo collision such that they travel…

A: The given data are: m1=8000 kgm2=82×100 kgu1=10 m/su2=-9 m/s Here, u1 denotes the velocity of the…

Q: Two ice skaters, with masses of 75 kg and 55 kg, stand facing each other on a 15-m-wide frozen…

A: Given data Initially, both the skaters are at rest

Q: The mass of a particle is 2 kg and its velocity is given by V1 = 2i-10tj m / s, with time in t s.…

A:

Q: Two manned satellites approach one another at a relative velocity of ?=0.150 m/s, intending to dock.…

A: Apply the elastic collision property and also the conservation of momentum and kinetic energy. As in…

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 baseball of mass m, initially at rest, is struck by a bat so that it acquires speed v, If t…

A: SOlution:

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 2.30-kg particle has a velocity (2.20 î − 4.50 ĵ) m/s, and a 3.50-kg particle has a velocity (1.00…

A: Given,

Q: The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore…

A:

Q: Two manned satellites approach one another at a relative speed of 0.300 m/s, intending to dock. The…

A:

Q: A shooter of mass m2 = 80 kg shoots a bullet of mass m1 = 4 g horizontally, standing on a…

A:

Q: Two manned satellites approach one another at a relative speed of 0.500m/s, intending to dock. The…

A: Velocity of 1st satellite is, v1=u1m1-m2m1+m2=0.500 m/s4500 kg-7500 kg4500 kg+7500 kg=-0.125 m/s…

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

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: Masses of m = 2 (kg) and m2 = 4 (kg), the directions of which are shown in the figure, collide…

A:

Q: A block of mass m1=1.50 kg is initially travelling at u1=3.50 m/s to the right. It collides with a…

A:

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: In an experiment designed to determine the velocity of a bullet fired by a certain gun, a wooden…

A: M = 600 g  m = 5.75 g  h = 50 cm

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: Two blocks of masses 1.0 kg and 3.0 kg connected by a spring rest on a frictionless surface. If the…

A:

Q: Two manned satellites approaching one another at a relative speed of 0.300 m/s intend to dock. The…

A: Given: Relative speed of satellites, urel = 0.300 m/s mass of first satellite, m1 = 2.50 ✕ 103 kg…

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 vacationer of mass 75 kg is standing on a stationary raft of mass 55 kg. The vacationer then walks…

A: RELATIVE VELOCITY

Q: Consider the collision of a moving puck with a second, initially stationary puck, as shown in the…

A: Given: m1=0.50 kgm2=0.60 kgv1=1.5 m/sv1f=0.5 m/sθ1=50°

Q: 2) Mass 1 = 5 kg is initially travelling east at 4.5 m/s. It strikes a stationary Mass 2 = 2.5 kg,…

A:

Q: Two objects, both with a mass of 1.7 kg are sliding across a horizontal, frictionless surface toward…

A:

Q: During a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon…

A: m1=mass of canon ball=12.5kg m2=mass of performer=69 kg v1=horizontal component of velocity=8.25 m/s…

Q: Two manned satellites approach one another at a relative speed of 0.400 m/s, intending to dock. The…

A: Let u1 be velocity of first satellite and u2 be that of second satelliteAlso , given that masses…

Q: The engine of a model rocket is rated with a total impulse of 5.50 N·s and a thrust duration of 1.10…

A: Given data The magnitude of the total impulse is I = 5.50 N.s The duration of the thrust is t = 1.10…

Q: Two manned satellites approach one another at a relative velocity of v= 0.150 m/s , intending to…

A:

Q: Two skaters collide and grab on to each other on frictionless ice. One of them, of mass 70.0 kg, is…

A: As the skaters collide and grab on to each other and move as one, this collision is a completely…