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- 8 3 L5 R %24 Part A A 0.149 kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.750 m/s. It has a head-on collision with a 0.290 kg glider that is moving to the left with a speed of 2.21 m/s. Suppose the collision is elastic. Find the magnitude of the final velocity of the 0.149 kg glider. Submit Request Answer Part B Find the direction of the final velocity of the 0.149 kg glider. O to the right O to the left Submit Request-Answer Part C Find the magnitude of the final velocity of the 0.290 kg glider. Submit Request Answer Part D Find the direction of the final velocity of the 0.290 kg glider. O to the right O to the left Submit Request Answer 000 000 DD F7 2 F3 F4 F5 F6 %23 & 3. 9 7. 6An atomic nucleus suddenly bursts apart (fissions) into two pieces. Piece A, of mass m 4, travels off to the left with speed v4. Piece B, of mass mB, travels off to the right with speed v B.FI 3 5 %A4 Part A Olal is standing on a sheet of ice that covers the football stadium parking lot in Butfalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 kg that is traveling horizontally at 10.9 m/s Olaf's mass is 71.9 kg .(Eigure 1) If Olaf catches the ball, with what speed vf do Olaf and the ball move afterward? Express your answer numerically in meters per second. > View Available Hint(s) 31 ? = Ja s/u Submit Part B If the ball hits Olaf and bounces off his chest horizontally at 7.90 m/s in the opposite direction, what is his speed vf after the collision? Express your answer numerically in meters per second. > View Available Hint(s) = Ja s/w Submit Provide Feedback Figure A. MacBook Air 000 000 08 DD F2 F 4 F5 F6 & %23 080 6 3. H A N B
- Part A A 22-g bullet traveling 260 m/s penetrates a 1.6 kg block of wood and emerges going 130 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges? Express your answer to two significant figures and include the appropriate units. HÀ Value Units Submit Request Answer Provide Feedback • Previous wsics.com/myct/itemView?assignmentProblemID=167202732&offset=next Co G Search or type URL & 8 96376647&OpenVellumHMAC=591310 KEnergy, work, momentum 3 Problem 9.61 Two ice skaters, with masses of 75 kg and 57 kg, stand facing each other on a 19-m-wide frozen river. The skaters push off against each other, glide backward straight toward the river's edges, and reach the edges at exactly the same time. Part A How far did the 75 kg skater glide? Express your answer with the app HA L% = Value Submit Request AnswerProblem # 6 A white billiard ball moving the speed Of 25m/s in positive x axis collide with a stationary black billiard ball. The two balls move off 45° with respect to the x -axis. If the two balls have equal mass. 1.Sketch the diagram а. Before collision b. On collision С. After collision 2. Find the velocities after collision.
- Ⓒ Macmillan Learning Two particles approach each other with equal and opposite speed, v. The mass of one particle is m, and the mass of the other particle is nm, where n is just a constant factor. Snapshots of the system before, during, and after the elastic collision are shown. m V Before V What is the value of n? nm Collision V m,final m n = After the collision, the first particle moves in the exact opposite direction with speed 2.40v, and the speed of the second particle, Unm, final, is unknown. 68 After Incorrect nm nm,final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…At a carnival game, two balls are Identical in mass and radius, but one is made of steel and one is made of rubber. The game is to throw them at a bowling pin and try to knock it over. If the balls are thrown with the same speed and hit the same spot on the bowling pin, which Is more likely to knock it over? A. The steel ball B. Without knowing more information, this cannot be answered. C. Both are equally likely since they have the same momentum D. The rubber ball
- An air-track cart with mass m1=0.23kg and initial speed v0=0.95m/s collides with and sticks to a second cart that is at rest initially. Part A If the mass of the second cart is m2=0.53kg how much kinetic energy is lost as a result of the collision?A large raindrop--the type that lands with a definite splat--has a mass of 0.014 g and hits your roof at a speed of 8.1 m/s. Part A What is the magnitude of the impulse delivered to your roof? Express your answer with the appropriate units. J = Part B Fav = μA Value .0 If the raindrop comes to rest in 0.37 ms, what is the magnitude of the average force of the impact? Express your answer with the appropriate units. μA Units Value 2 ? Units ?A non-BYU Idaho student is having a snow ball fight. 'Accidentally' a snowball travelling north at 10.0 m/s hits a bicyclist traveling west at 5.00 m/s. The mass of the snowball is 0.750 kg, and the bicyclist is 55.0 kg. What is her final velocity, a. If the snow ball sticks to the bicyclist? b. If the snow ball bounces off with a speed of 2.0 m/s at an angle 20.0° West of South?