A block of mass m1 = 16 kg slides along a horizontal surface (with friction, μk = 0.21) a distance d = 2.25 m before striking a second block of mass m2 = 9.75 kg. The first block has an initial velocity of v = 7.25 m/s. A: Assuming that block one stops after it collides with block two, what is block two's velocity after impact in m/s? B: How far does block two travel, d2 in meters, before coming to rest after the collision?
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A block of mass m1 = 16 kg slides along a horizontal surface (with friction, μk = 0.21) a distance d = 2.25 m before striking a second block of mass m2 = 9.75 kg. The first block has an initial velocity of v = 7.25 m/s.
A: Assuming that block one stops after it collides with block two, what is block two's velocity after impact in m/s?
B: How far does block two travel, d2 in meters, before coming to rest after the collision?
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- 8. A friend throws a basketball to you as you are standing on a frictionless patch of ice. To make sure you gain as much speed as possible you decide to: * Catch the basketball and drop it Catch the basketball and hold onto it. Catch the basketball and throw it back towards your friend. Catch the basketball and throw it the same direction it was moving before you caught it. O Duck and don't allow the basketball to contact you at all.Blythe and Geoff are ice skating together. Blythe has a mass of 53.0 kg, and Geoff has a mass of 82.0 kg. Blythe pushes Geoff in the chest when both are at rest, causing Geoff to move away at a speed of 5.00 m/s. What is Blythe's speed UB after she pushes Geoff? UB = In what direction does Blythe move? in the same direction as Geoff in the opposite direction of Geoff m/sThree objects A, B, and C are moving as shown in the figure below (Figure 1). Assume that A = 11.0 m/s, vB = 9.2 m/s, and vc = 4.0 m/s. Figure 5.0 kg B60° Vc. HA 6.0 kg 10.0 kg 1 of 1 > Find the x-component of the net momentum of the particles if we define the system to consist of A and C. Express your answer in kilogram meters per second. [ΠΙ ΑΣΦ ? Px = kg. m/s Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Find the y-component of the net momentum of the particles if we define the system to consist of A and C. Express your answer in kilogram meters per second. OF [Π ΑΣΦ kg. m/s Request Answer Part C Find the x-component of the net momentum of the particles if we define the system to consist of B and C. Express your answer in kilogram meters per second. IVE ΑΣΦ ? kg. m/s Py = Submit Px =
- Block X Block Y 10. Vx M Figure 1. Before the collision Block X Block Y VXY. M Figure 2. After the collision Block X slides along a horizontal surface with a speed Vx toward block Y that is initially at rest, as shown in Figure 1. After block X collides with block Y, the two blocks remain stuck together and travel at a velocity of VXY, as shown in Figure 2. Frictional forces are considered to be negligible. Which of the following claims is correct regarding the momentum of the system containing only block X and the system that contains block X and block Y? A The system containing block X is an open system, and the system of both blocks is an open system. The system containing block X is an open system, and the system of both blocks is a closed system. The system containing block X is a closed system, and the system of both blocks is an open system. D The system containing block X is a closed system, and the system of both blocks is a closed system.Just before a bouncy ball hits a wall, it is traveling parallel to the ground at 18 m/s, and it then bounces directly backwards at 17 m/s. The interaction time with the wall was 0.40 ms (4.0 x 10-4 s). If the ball's mass is 0.17 kg, what is the average magnitude of the force of the wall on the ball during their interaction? A. 7700 N B. ON C. 7200 N D. 15000 N O A BPlease asap
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