Consider a gas enclosed in a box. A molecule of mass m, having a velocity -2i+3j+4k collides with a wall parallel to the xz plane. What will be its velocity after collision and its change in momentum? i,j & k are unit vectors along the x,y & z axis. a) -2i-3j+4k, -6mj b) 2i+3j-4k, -6mj c) -2i-3j+4k, 6mj d) 2i+3j-4k, 6mj
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Consider a gas enclosed in a box. A molecule of mass m, having a velocity -2i+3j+4k collides with a wall parallel to the xz plane. What will be its velocity after collision and its change in momentum? i,j & k are unit vectors along the x,y & z axis.
a) -2i-3j+4k, -6mj
b) 2i+3j-4k, -6mj
c) -2i-3j+4k, 6mj
d) 2i+3j-4k, 6mj
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- In an Atwoods Machine lab with m1 = 0.1 and m2 = 0.13 observed acceleration is 1.20 m/s^2. Compare the value with the a(theoretical). During the momentum collision lab a 2.5kg mass moving with 2m/s hits a stationary 5kg mass. After the collision 2.5kg bounces back with 0.5m/s and 5kg mass moves with 1.2 m/s. Calculate Pi and Pf and compare using percent error. Does this experiment show conservation of momentum?Imagine a collision between two balls: ball A has an initial momentum p of 2 kg-m/s to the right, and ball B is stationary before the collision. B has a mass of 1 kg. After the collision, the velocity of A is 2 m/s to the left and that of B is 3 m/s to the right. What are the mass and initial velocity of ball A? a) The mass of ball A is 5 kg, and its velocity 2 m/s. b) The mass of ball A is 1 kg, and its velocity 3 m/s. c) The mass of ball A is 2 kg, and its velocity 4 m/s. d) The mass of ball A is 0.5 kg, and its velocity 4 m/s.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 ? ?
- A plasticine ball with a momentum of 4.0 kg•m/s [F] hits a wall and stops. What is the change in the ball's momentum? O 4.0 kg-m/s [B] 4.0 kg•m/s [F] 0.0 kg-m/s 8.0 kg-m/s [B] 8.0 kg-m/s [F]Answer part a, b and c云 HI 5 F. %24 -10 Part A Jeanette is playing in a 9-ball pool tournament. She will win if she sinks the 9-ball from the final rack, so she needs to line up her shot precisely. Both the cue ball and the 9-ball have mass m, and the cue ball is hit at an initial speed of v. Jeanette carefully hits the cue ball into the 9-ball off center, so that when the balls collide, they move away from each other at the same angle 0 from the direction in which the cue ball was originally traveling (see figure). Furthermore, after the collision, the cue ball moves away at speed vf, while the 9-ball moves at speed vp. (Figure 1) Find the angle 0 that the 9-ball travels away from the horizontal, as shown in the figure. Express your answer in degrees to three significant figures. > View Available Hint(s) For the purposes of this problem, assume that the collision is perfectly elastic, neglect friction, and ignore the spinning of the balls. Submit Provide Feedback Figure 1 of 1 MacBook Air 08 F3 O00 000 F2…
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