A block of mass m slides along a frictionless surface with kinetic energy Ki . It collides with a block of mass 3m that is initially at rest, and the two blocks stick together and slide with total kinetic energy Kf . What is the ratio Kf : Ki ?

Q: Consider a 1200-kg car travel at 35 m/s east colliding with a 850-kg car traveling north at 25 m/s.…

A:

Q: A baseball fan layer pitches a ball toward home plate at a speed of 41 m/s . The batter swings,…

A: Write the impulse-momentum equation. I=ΔpF×Δt=pf−piF×Δt=mvf−mviF=m(vf−vi)Δt

Q: An object collides with a wall that uses a force of F(t)= -20t-5 (N), on the object. The object…

A:

Q: The eight ball, which has a mass of m = 0.5 kg, is initially moving with a velocity v = 2.4i m/s. It…

A:

Q: velocity of the rifle

A:

Q: 6. A cue ball traveling at 0.80 m/s hits the stationary 8-ball, which moves off with a speed of 0.27…

A:

Q: Railroad car A of mass 360.0 kg moving with a velocity VA collides and sticks with another railroad…

A: mass of car A = 360 kg initial velocity of A = VAmass of car B = 220 kg initial velocity of car B =…

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

A:

Q: An internal explosion breaks an object, initially at rest, into two pieces, one of which has 2.0…

A: The two objects can be depicted with having mass of m1 and the other is m2. Initially, these two…

Q: Question 3 . An ubject of moss m,=4kp is mouinpona struipht ding with frichionloss fo. initial speed…

A: In an elastic collision, the initial relative velocity, and final relative velocity is the same.…

Q: A rock of mass M is fired at speed V using a slingshot, hitting a stationary bird of mass 10…

A: A rock of mass M is fired at a stationary bird of mass 10 M. The collision is said to be completely…

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

A:

Q: Two 78.5-kg hockey players skating at 4.47 m>s collide and sticktogether. If the angle between…

A:

Q: Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. A light spring is…

A: Given information:Mass of the heavy block (M1) = 3m kg.Mass of the light block (M2) = m kg.Velocity…

Q: A projectile of mass M is thrown from the ground up with an initial speed v making an angle with…

A: To obtain an equation for the separation D in terms of the final masses m1 and m2, energy Q, and…

Q: ad cars, each 2 106

A: Given: Mass (m1) is 2.75×104Kg and velocity can be 3.4 m/s. 2 cars, same mass and m2 is 5.5×104Kg…

Q: A dolphin arcs out of the waterlaunching a 3.7kg puffer fish with a velocity of 9.7m/s to another…

A: To find the velocity with which the second dolphin made contact with the pufferfish, we'll use the…

Q: A small ball of mass m, is above a larger ball of mass M, and the two are dropped simultaneously…

A:

Q: A ball of mass (kg 5) traveling at m/s 2) in the x direction collides with another ball of mass (hg…

A: Given that: The mass of the  first ball m1=5 kg  velocity v1=2 m/s in x direction The mass of the…

Q: makeS a head-on elastic collision with a second ball (which is at rest) and speed equal to…

A:

Q: A car of mass 800 kg moves to the east with a speed of 20 m·s−1 . It collides with a truck that is…

A:

Q: 2. In an experiment, a small incident box of mass m is released from rest at the top of a…

A: (a) i. Let g denote the gravitational acceleration. Since the ramp is frictionless, conservation of…

Q: A Projectile with muss Ma 250g is shot from the point - initial velocity A with entrally - Heo mls…

A: Given , A projectile having mass m =250g is shot from point A with initial velocity v0 = 40 m/s at…

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: 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: The eight ball, which has a mass of m = 0.5 kg, is initially moving with a velocity v = 2.1i m/s. It…

A:

Q: VAi VBi In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless…

A: (a) From conservation of momentum,…

Q: 5. A billiard ball moving with a speed 5m/fee collides Lead-on with a second ball of equal mass at…

A:

Q: A railroad car of mass M moving at a speed v, collides and couples with two coupled railroad cars,…

A:

Q: A car of mass 1291 kg is stopped at a stoplight. Another car of mass 2050 kg is approaching the…

A: Given data:  Mass of first car (m1) = 1291 kg Velocity of first car (V1) = 0 m/s Mass of second car…

Q: Billiard ball A strikes another ball B of the same mass, which is at rest, such that after the…

A:

Q: The 8-Mg truck and 1-Mg car are traveling with the freerolling velocities shown just before they…

A:

Q: A 45.4-kg girl is standing on a 149-kg plank. Both originally at rest on a frozen lake that…

A: Given that, the value of girls velocity relative to the plank and ud mass of the girl and mass of…

Q: n object of mass m moves to the right with speed v. It obiect of twice the mass but half the speed…

A: The masses of the objects and their speed is:

Q: An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right…

A:

Q: A railroad car of mass 22500 kg is released from rest in a railway switchyard and rolls to the…

A: The velocity of the initial car when it reaches the bottom, u=2gHi=29.80 m/s210.7 m=14.5 m/s This is…

Q: = 0.26 kg) is fired at and embeds itself in a stationary target (mass = 2.40 kg). With what…

A:

Q: ... Two objects moving with a speed v travel in opposite direc- tions in a straight line. The…

A:

Q: A cart of mass 33 is moving at a velocity of 16 in the positive directions when it collides with a…

A: m1=33 ,  u1=16m2=13,  u2=-6.8(since in opposite direction) **Since units are not given so I have not…

Q: ball moving at 10m/s along the +ve x- axis collide. clrtro.lly witha second billiard ball at rest.…

A:

Q: a mini cooper has mass of 105 kg, hits a tesla of 2200 kg.  The mini cooper is firstly moving an…

A:

Q: A projectile of mass m, = 2.00kg is fired at an asteroid of mass M = 400kg at a speed of m V =1000-…

A: In case of elastic collision, we know that the momentum and the kinetic energy both will remain…

Q: a particle of mass .260kg moves head on with a velocity .534x+.374y m/s toward a second particle of…

A: Given Particle Mass m1 = 0.260 kg m2 = 0.486 kg Velocity u1 = (0.534 x + 0.374 y ) m/s u2 =( 0 x + 0…

Q: In what way can you tell if linear momentum and/or k.E are conserved in a 1D collision? Would the…

A: