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: An object collides with a wall that uses a force of F(t)= -20t-5 (N), on the object. The object…
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: 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: A car (m=1250kg) going 7.0 m/s strikes a resting car (m=900kg) the collide in an inelastic…
A: The expression for inelastic collision is m1v1+m2v2=m1+m2v Rearrange v=m1v1+m2v2m1+m2
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: A 3m particle is travelling with a velocity i = 10 i m/s. While passing through tre origin, it…
A: Initial velocity of 3m: u =10 i^ m/sFinal velocity of m: v1y = -6j^ m/s Let the velocity of 2m is…
Q: Godzilla is fighting mothra in tokyo again. He climbs a tall building and while standing on top of…
A:
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: Ball 1 of mass 3 kg with speed 4.7 m/s collides head-on with ball 2 of equal mass. What is the speed…
A:
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: A billard ball moving at 10 m/s along +be x-axis collides elastically with a second billard ball at…
A:
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 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: 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: Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New…
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: A 3m particle is travelling with a velocity i = 10 î m/s. While passing through tre origin, it…
A: This question can be solved based on the theorem of the conservation of momentum in each direction…
Q: A railroad car of mass M moving at a speed v, collides and couples with two coupled railroad cars,…
A:
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: There are two blocks that are both free to swing. Both blocks have the same mass, 300 grams. You…
A: decrease in potential energy = increase in kinetic energy
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: Two carts wth masses M1 5.2kg and M2-3.7kg are on a frictioniess track. Cart 2 is instally at rest…
A: Given Mass of cart 1 ,m1=5.2kg Mass of cart2 ,m2=3.7kg Initial velocity of cart1 u1=4.1m/s Initial…
Q: A car of mass m moving to the right with a velocity v1=13 m/s collides head on with another aan of…
A:
Q: A 6 kg block with a speed of 2.0 m/s hits a 7 kg block that has a speed of 1.0 m/s in the same…
A: Part (a) Given: The mass of first block is m1=6 kg. The initial speed of first block is u1=2.0 m/s.…
Q: Billiard ball A strikes another ball B of the same mass, which is at rest, such that after the…
A:
Q: Consider the two pucks shown in the figure. As they move towards each other, the momentum of each…
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: 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: A puck of mass m-2 kg moves on a drcle of radius r-0.5 meters, on a frictionless table. The puck is…
A:
Q: A 1000 kg car traveling at 15 m/s runs into a 2000 kg car at rest. Determine the percent of kinetic…
A: Given data: Mass of 1st car (m1) = 1000 kg Initial velocity of 1st car (V1) = 15 m/s Mass of 2nd…
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 ballistic pendulum has a mass of 1.00 kg, it hangs from a string at rest when a bullet, mass 100.0…
A: Determine the speed by the conservation of momentum as, 1×50+1×0=1.1×vv=51.1v=4.54 m/s
Q: An air-track cart of mass m₁ = 0.14 kg is moving with a speed vo=1.3 m/s to the right when it…
A: In this question we have to find the acceleration of cart 1. We now know that cart 1 weighs 0.14 kg,…
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: A railroad car of mass 3.3 x 104 kg moving at 5.00 m/s collides and couples with two coupled…
A:
Q: Two blocks with mR =2 kg and mg =4 kg are moving with vg 2.5 m/s and vg =3 m/s in positive z and y…
A: Given: masses of the blocks are mR = 2 kg & mB = 4 kg velocities of the blocks are vR = 2.5 i…
Q: A railroad car of mass 3.05 ✕ 104 kg moving at 2.95 m/s collides and couples with two coupled…
A: Given: The mass of the railroad car is 3.05×104 kg. The initial speed of the railroad car is 2.95…
Q: Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly…
A: Since you have posted multiple questions, we will provide the solution only to the first question as…
Q: A bumper cap "A" (mass of A = 140kg) with a velocity of 15 km/hr hits a another car "B" (mass of B =…
A:
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 ?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images