A 100-g firecracker is launched vertically into the air and explodes into two pieces at the peak of its trajectory. If a 72-g piece is projected horizontally to the left at 17 m/s what is the speed of the other piece? (absolute value) How much energy is released by the explosion, assuming it all goes to the fragments.

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A: Assuming direction to right as positive.   Let the velocities of mA and mB be v1 and v2 after…

Q: A box with mass m and speed =1.2 m/s, moving on a frictionless surface approaches two other boxes…

A: Given : Three system are in collision m1= m  m2 = 2m  m3 = 3m V1= Vo = 1.2 m/s V2 =0  V3= 0

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A: Given: m1=3m v1=v m2=2m v2=2v

Q: 2. After a perfectly inelastic collision between two objects of equal mass, each having initial…

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Q: and 433 m/s 2. Two particles of equal mass and the same initial speed collide in a completely…

A: Let v be the initial speed of each of masses m. After the inelastic collision, let the final…

Q: In a ballistic pendulum demonstration gone bad, a 0.55 g pellet, fired horizontally with kinetic…

A: Mass of the pellet  (m) =0.55gm =0.00055 kgKinetic energy of the pellet = 12mu2=3.35JThe velocity of…

Q: 2. A 3-kg firework flies in a straight line with an initial velocity of 150 m/s and bursts into two…

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

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A: Given : Initial velocity of asteroid A before collision is 40 m/s

Q: A 2.50g dragonfly flying at 3.00m/s of mass "collides totally inelastically" i.e, catches) a small…

A: Given it is a totally inelastic collision. We know  in inelastic collision(or completely inelastic…

Q: Before an elastic collision of two balls of 2.0 kg each, the kinetic energies of two balls are…

A: Mass of first ball , m1 = 2.0 kg Mass of second ball, m2 = 2.0 kg Kinetic energy of m1 before…

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A: Write the given values. Δt=0.971 ms==0.971×10-3 svb=131 mph=131 mph×0.447 m/s1 mph=58.56 m/smb=45.9…

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 bomb of mass 9 kg explodes into two fragments of masses3 kg and 6 kg. The velocity of mass 3 kg is…

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Q: tô än immediate stop. To the nearest 1.0 m/s, what is the speed of sphere #2 after the collision?…

A: Conservation of Momentum For an isolated system, that is, when there is no external force acting on…

Q: 1. a) For a particle of mass m and velocity v, what are the momentum, and its (kinetic) energy?…

A:

Q: The Moon’s craters are remnants of meteorite collisions. Suppose a fairly large asteroid that has a…

A: Given: mass of the asteroid, m =  4.95 × 1012 kginitial velocity of the asteroid relative to the…

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Q: Someone has also put a third puck on the air hockey table which is covered in gum all around its…

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Q: A 50-gram mass with a horizontal velocity of 60 cm/s collides with an 80-gram mass at rest. After…

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Q: ) A proton (p) of mass 1.43-u(unified atomic mass units) traveling with a speed 4.13 x 104 m/s of…

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Q: A particle with mass mA is struck head-on by another particle with mass mB that is initially moving…

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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…

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Q: Two ice skaters with masses of 22.8 kg and 11.1 kg slide toward each other on a frictionless surface…

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Q: A system is composed of two masses traveling in the same direction, one moving faster than the…

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Q: Two billiard balls of mass m (gr) collide with their oblique center. a) Find the post-collision…

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Q: Two masses, m, and m, move on the xy plane towards each other as shown in the figure. The first mass…

A: Answer: 9.29 m/s

Q: Two masses, m, and m2 move on the xy plane towards each other as shown in the figure. The first mass…

A: Assuming the collision is elastic, the initial and final kinetic energy should be same, this…

Q: A particle of mass m₁ and velocity v₁ hits the stationary particle of mass m2. After the collision,…

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Q: A 2.00kg mass moving to the right at 3.00 m/s, catches up and collides with a mass of 4.00 kg also…

A: Given that Mass m1 = 2 kg Initial velocity of m1 is V1i = 3 m/s Mass m2 = 4 kg Initial velocity of…

Q: A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The…

A: We have a nucleus. It is at rest initially. It decays into 3 particles each moving with some…