Two objects with masses 16 kg and 9 kg respectively travel with same kinetic energies. The ratio of their momenta will be а. 3:2 b. 1:4 С. 3:1 d. 4:3
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Q: SOLUTION Find the x-components of the initial Epxi = mcarVcar = (1.50 × 10³ kg)(25.0 m/s) = 3.75 x…
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- A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The electron and neutrino are emitted at right angles and have momenta of pe = 8.95×10-23 kg-m/s and Py = 6.18x10-23 kg. m/s, respectively. (Figure 1) Figure Pnuc (nuc) +y 0 Onuc Pv Pe Part A Determine the magnitude of the momentum of the second (recoiling) nucleus. Express your answer to three significant figures and include the appropriate units. Pnuc = Submit Part B ■ μÅ Value Request Answer Pearson Units Review | Constan ?If two particles have equal kinetic energies, are their momenta equal?When a stationary uranium nucleus undergoes fission, it breaks into two unequal chunks that fly apart. What can you conclude about the momenta of the chunks? What can you conclude about the relative speeds of the chunks?
- A 120 kg man is standing in the middle of a skating rink holding a 2kg ball. He suddenly throws the ball eastward at 5 m/s. What is the magnitude of his momentum afterward? Assuming frictonless between his skateboots and the ice.1. a) For a particle of mass m and velocity v, what are the momentum, and its (kinetic) energy? b) Discuss the principles of Conservation of Momentum and Conservation of Energy. Use the collision between two particles as an example.A ball named "Exploding kitten" initially at rest suddenly explodes into two parts. One, with mass of 0.57 kg has a resulting speed of 6.17 m/s relative to its original position. The other mass is moving at a speed of 9.2 m/s. What is its mass? Express ans in two decimal places with units of kg.
- RA.jpeg ΝΑΤΑΙ Alex bounced a 0.59 kg rubber ball off the floor. The ball's speed just before impacting the floor was 10 m/s, and the speed just after the impact was 3.8 m/s. What impulse Iy was applied to the ball by the floor? If the ball was in contact with the floor for 0.05_s, what was the magnitude of the average force applied by the floor on the ball? (Assume "up" is the positive direction.) 27. Impulse A. 15.39 kg-m/s D. 8.98 kg-m/s B. 14.95 kg-m/s E. 15.67 kg-m/s 8.142 kg-m/s C. 14.58 kg-m/s F. 1--1/ 28. Average Force A. 161.9 N 162.8_N B. 161.8 N 222.9 N C. 90.37 N F. 95.03 N 1--1 IZJSY A toy train engine (2.5 kg) is moving 0.25 m/s when it collides with a car (1.6 kg) moving 0.15 m/s in the same direction, and they stick together. Find the speed of the engine-car combination as they move off together. 29. Pigshow.jpeg A Pig show.jpeg MacBook Pro DEE D. E.Two particles A and B have the same momenta. Particle A is 3.0 times as massive as particle B (i.e. M, =3.0MR). What is the ratio of their kinetic energy? Answer: K: KR (answer with a single number)If two objects have the same mass, is the following case possible: they can have the same kinetic energy and the same momenta but they cannot have the same kinetic energy and different momenta.
- 1. In beta decay, an atomic nucleus emits an electron as it turns into another type of nucleus. A 2¹⁰Bi nucleus at rest decays to 210Po. Suppose the emitted electron moves to the right with momentum 5.60 x 10-22 kg m/s. The 210Po nucleus, with mass 3.50 x 10-25 kg, recoils to the left at a speed of 1.14 x 10³ m/s. Momentum conservation requires that a second particle, called an antineutrino, must also be emitted. Calculate the magnitude and direction of the antineutrino's momentum. 210PO 210Bi Before After e ?In outer space, far from other objects, two rocks collide and stick together. Before the collision, their momenta were (-10,20,-5) kg⋅m/s and (8,-6,12) kg⋅m/s. What was their total momentum before the collision? What must be the momentum of the combined object after the collision?PAi PB- Two particles A and B have the same kinematic energy. Particle A is 8.0 times as massive as particle B (i.e. M, =8.0M,). What is the ratio of the magnitudes of their momenta? Answer: P: P %3D 'A