During an elastic collision, a proton with a velocity of 5000 m/s [forward] undergoes a head on collision with an alpha particle (composed of two protons and two neutrons) with a velocity of 2000 m/s [backward]. Determine the final velocities of the subatomic particles. Assume forward is positive.

In an elastic collision, one ball has initial velocity v when it collides head-on with another, much less massive ball, initially at rest. The velocity of the second ball after the collision is approximately equal to Multiple Choice v/2 V none of the above 2v

Two particles of masses m and 2m move along the x axis with equal by magnitude but oppositely directed velocities, as shown in the figure below. V (2m) m What is the total linear momentum of the system? Px = mv O Px = -my O py = 3mv O Px = mv?

A particle of mass m (particle #1) is fired head-on at speed 48 m/s toward another particle of mass 3m (particle #2) which is at rest.  The result of this collision is that #1 comes to a complete stop, and #2 moves forward.  (a) At what speed does particle #2 emerge from the collision?  (b) What fraction of the original kinetic energy is lost during this process?

In the figure, projectile particle 1 is an alpha particle and target particle 2 is an oxygen nucleus. The alpha particle is scattered at angle 0₁-59.6° and the oxygen nucleus recoils with speed 1.60 x 105 m/s and at angle 02 - 54.0°. In atomic mass units, the mass of the alpha particle is 4.00 u and the mass of the oxygen nucleus is 16.0 u. What are the (a) final and (b) initial speeds of the alpha particle? (a) Number 601000 (b) Number i 10367500 my Units Units m/s m/s m₂ 0₂

For an isolated system where two masses collide in two dimensions (2D), check all TRUE statements: Piy = Pfy J = 0, since the x and y components cancel each other out. If the masses collide in 2D, the collision must be inelastic. Pfx =Pix If the collision is inelastic, the final momentum, Pf, can be derived by the vector addition of the momentum vectors of the two masses prior to collision.

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Problem #2: Two 1-kg balls are set to collide as shown in the image below. The pink ball is initially moving at a speed of 1m/s at an angle of 30 degrees above the horizontal, and the yellow ball is moving horizontally to the left at 2m/s. If, after the collision, the yellow ball moves with a velocity of 0.25m/s in the vertical direction, determine the speed and direction of the pink ball after the collision. 2 m/s 1 m/s 30 1.0 Kg 1.0 Kg

During the collision between the ball and the racket, the velocity vector of the tennis ball is exactly reversed such that its speed is the same before and after the collision. Determine the speed of the ball assuming its mass to be 150 g. A nucleus A of mass 2 m moving with velocity 100 m/s collides inelastically with a stationary nucleus B of mass 10 m. After collision, the nucleus A travels at 90oto the original incident direction while B proceeds at an angle 37oto the original incident direction. a) Find the speeds of A and B after the collision.b) What fraction of the initial kinetic energy is gained or lost due to the collision? Two blocks having equal masses m1 = m2 = 10 kg are placed in contact on a surface inclined at an angle of 40ofrom the horizontal as shown in the figure below. The coefficient of static friction between the incline and the lower block is µs1 = 0.90 and the coefficient of kinetic friction is µk1 = 0.40. The respective coefficients between theincline and the…

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 = 9.26×10−23 kg⋅m/s and pν = 5.98×10−23 kg⋅m/s , respectively.   Determine the magnitude of the momentum of the second (recoiling) nucleus. Determine the angle between the momentum of the electron and the momentum of the second (recoiling) nucleus.