a ball (1) of 1kg moving at 1m/s strikes a stationary 1kg ball(2). Ball 1 stops, but ball 2 moves away at 1 m/s. A: is momentum conserved ? show proof B: is KE conserved? show your proof C: is this an example of an elastic collision or an inelatic collision?
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a ball (1) of 1kg moving at 1m/s strikes a stationary 1kg ball(2). Ball 1 stops, but ball 2 moves away at 1 m/s.
A: is momentum conserved ? show proof
B: is KE conserved? show your proof
C: is this an example of an elastic collision or an inelatic collision?
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- Two perfectly elastic balls, weighing 6 lbs and 4 lbs, approaching each other with a speed of 20 ft/s and 35 ft/s, respectively. a. What will be their speeds after the collision? b. What is the change in total kinetic energy after collision? Please show the given, formula, figure, and free body diagram.What would be the type of collision of the image below? a.) Elastic b.) Inelastic c.) Completely Inelastic d.) No collision Momentum & Energy: Elastic and Inelastic Collisions Animation Speed Run slower faster Pause Elasticity (enter a number between 0 and 1)08 Reset inelastic Volue VCOM Initial KE red = 250J Initial p red = 50 kgm/s Initial KE blue = 96 J Show Energy & Momentum Values Initial p blue = -24 kgm/s Velocity of red box = 10 mis Velocity of blue box = -8 mis COM Prud Pelue Ep (+) Positive Direction Show Center of Mass Initial velocity of red bax (mis) = 10 Initial velocity of blue box (mis) =-8 Relative velocity initial = 18 (towards) Mass of red box (kg) =5 Show Relative Velocity Mass of blue box (kg) =3What would be the type of collision of the image below? a.) Elastic b.) Inelastic c.) Completely Inelastic d.) No collision Momentum & Energy: Elastic and Inelastic Collisions Animation Speed Run slower faster Pause Elasticity (enter a number between 0 and 1)0 Reset totally inelastic Vud Vulue VCOM Initial KE red = 250 J Initial KE blue = 250 J Show Energy & Momentum Values Initial p red = 50 kgmis Initial p blue = -50 komis Velocity of red box = 10 mis Velocity of blue box-10 mis COM Pred Pelue (+) Positive Direction Show Center of Mass Initial velocity of red box (m/s) =10 Initial velocity of blue bax (m/s) =-10 Relative velocity initial = 20 (towards) Mass of red box (kg) =5 Show Relative Velocity Mass of blue box (kg) =5 la
- 4. A ball(1) of 1Kg moving at 1m/s strikes a stationary 1Kg ball (2). Ball 1 stops, but ball 2 moves away at 1 m/s. a. Is momentum conserved? Show your proof b. Is KE conserved? Show yourproof c. Is this an example of an elastic collision or an inelastic collision?Two carts are initially moving to the right on a low-friction track, with cart 1 behind cart 2. Cart 1 has a speed twice that of cart 2 and so moves up and rear-ends cart 2, which has twice the inertia of cart 1. A. Suppose that the the initial speed of cart 2 is v. What is the speed of cart 1 right after the collision if the collision is elastic? Express your answer in terms of v. B.What is the speed of cart 2 right after the collision if the collision is elastic? Express your answer in terms of v.What would be the type of collision of the image below? a.) Elastic b.) Inelastic c.) Completely Inelastic d.) No collision Momentum & Energy: Elastic and Inelastic Collisions Animation Speed Run slower faster Pause Elasticity (enter a number between 0 and 1)0 Reset totally inelastic Ved Volue VCOM Intial KE red = 34.398 J Initial KE blue = 0.084 J Show Energy & Momentum Values Initial p red = 16.38 kgm/s Initial p blue = 0.84 kgmis Velocity of red box = 4.2 mis Velocity of blue bax = 0.2 m/s COM Pred Polue Ep (+) Positive Direction Show Center of Mass Initial velocity of red box (m/s) =4.2 Initial velocity of blue bax (mis) =0.2 Relative velocity initial = 4 (towards) Mass of red box (kg) =3.9 Show Relative Velocity Mass of blue box (kg) =4.2
- A bullet of mass mb is fired horizontally with speed vi at a wooden block of mass mw resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest within the block, the block, with the bullet in it, is traveling at speed vf . Part A Which of the following best describes this collision? Hint 1. Types of collisions An inelastic collision is a collision in which kinetic energy is not conserved. In a partially inelastic collision, kinetic energy is lost, but the objects colliding do not stick together. From this information, you can infer what completely inelastic and elastic collisions are. ANSWER: Correct Part B Which of the following quantities, if any, are conserved during this collision? Hint 1. When is kinetic energy conserved? Kinetic energy is conserved only in perfectly elastic collisions. ANSWER: perfectly elastic partially inelastic perfectly inelastic Correct Part C What is the speed of the…What would be the type of collision of the image below? a.) Elastic b.) Inelastic c.) Completely Inelastic d.) No collision Momentum & Energy: Elastic and Inelastic Collisions Animation Speed Run slower faster Pause Elasticity (enter a number between 0 and 1) Reset perfectly elastic VeoM red "blue Initial KE red = 250J Initial KE blue 250 J Show Energy & Momentum Values Initial p red = 50 kgmis Initial p blue = -50 kgmis Velocity of red box 10 mis Velocity of blue box = -10 mis COM Pelue (+) Positive Direction Show Center of Mass Initial velocity of red box (mis) =10 Initial velocity of blue box (m/s) -10 Relative velocity initial = 20 (towards) Show Relative Velocity Mass of red bax (kg) 5 Mass of blue box (kg) =15A 0.060-kg tennis ball, moving with a speed of 4.4 m/s, has a head-on collision with a 9.5x10-2-kg ball initially moving in the same direction at a speed of 3.1 m/s. Part A Assuming a perfectly elastic collision, determine the speed of each ball after the collision. Enter your answers numerically separated by a comma. Express your answers using two significant figures. ? tennis ball' 'bal = m/s Submit Request Answer Part B Determine the direction of tennis ball after the collision. O The tennis ball moves in the direction of its initial motion. O The tennis ball moves in opposite direction. Submit Previous Answers v Correct Part C Determine the direction of 9.5x10-2-kg ball after the collision. The ball moves in the direction of its initial motion. The ball moves in opposite direction. DrevieueAnewere
- A 41 g marble moving at 2.0 m/s strikes a 23 g marble at rest. Assume the collision is perfectly elastic and the marbles collide head-on. Part A What is the speed of the first marble immediately after the collision? Express your answer with the appropriate units.Given two balls, each of mass m, traveling together at speed v, what is the total linear momentum of this two-ball system? What is the total kinetic energy? B.If the balls from the previous question strike three stationary balls (as in your previous tests), what is the total linear momentum of the ball(s) that are in motion after the collision? What is the total kinetic energy? C. Is it possible for two balls (mass m each, speed v) to strike a line of balls and have a single ball (mass m) “scatter” from the other end of the line with twice the speed (speed 2v)? What would be the momentum of the single ball? What would its kinetic energy be?A 5 kg ball moves at 5m/s in the +x direction and hits a 2kg stationary ball at the origin. After the balls collide, the lighter ball has a final velocity of 3.6m/s directed 49 degrees from the x axis as shown in the picture. 1. Figure out the speed (v') and direction (theta) of the heavier ball after the collision 2. Is the collision elastic or inelastic? Explain your answer in 3 sentences or less. 5 kg 5 m/s 2 kg To 49° 3.6 m/s X