Two 2.2 kg bodies, A and B, collide. The velocities before the collision are V A = (311 +267) m/s and VB = (-12î + 4.77) m/s. UB After the collision, ₁ = (-7.41 +7.7) m/s . What are (a) the x-component and (b) the y-component of the final velocity of B? (c) What is the change in the total kinetic energy (including sign)?

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 moving to the right but at a speed of 2.00 m/s. After the collision the 4.00 kg mass is moving to the right at 2.50 m/s. Before 2=2.002 3.00 ar=2.50 After y =?

A 10.5-g bullet is fired into a stationary block of wood having mass m = 5.01 kg. The bullet imbeds into the block. The speed of the bullet-plus-wood combination immediately after the collision is 0.602 m/s. What was the original speed of the bullet? (Express your answer with four significant figures.)

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=9.67x10-23 kg. m/s and p = 5.99×10-23 kg. m/s. respectively. (Figure 1) Figure Pnuc nuc +y 0 Onuc Py Pe 1 of 1 +X 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 Onuc = Submit μA 4 Provide Feedback Value Request Answer Determine the angle between the momentum of the electron and the momentum of the second (rec Express your answer using three significant figures. [VE| ΑΣΦ 1 → C Request Answer Units 1 ? ?

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 = 63.1° and the oxygen nucleus recoils with speed 1.60 × 105 m/s and at angle 0₂ = 52.0°. 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 (b) Number i m₁ Vli Units Units mg vaf x

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

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A 2.98 kg particle has a velocity of (2.95 î - 3.91 î) m/s. (a) Find its x and y components of momentum. Py = kg-m/s Py kg-m/s (b) Find the magnitude and direction of its momentum. kg-m/s ° (clockwise from the +x axis)

An inelastic collision occurs between a particle of mass 1.5 kg moving with an initial velocity of v = (−2ˆi − 1.3ˆj + 0.7kˆ) m/s and another particle of mass 0.8 kg that has an initial velocity of v = (5.6ˆi + 0.5ˆj + 4.3kˆ) m/s. What is the final velocity of the particles in unit vector notation?