2. A villain with mass 80.0 kg runs at a velocity of 9.25 m/s into Chuck Norris' fist moving at a speed of 0.150 m/s. The villain is knocked back at a velocity of 8.50 m/s and angle 20.0° from the horizontal, while Chuck Norris' fist moves at a velocity of 0.0745 m/s and 10.0° from the horizontal. a. What is the mass of Chuck Norris' fist in kg? b. How much kinetic energy is lost in the collision? 20° S10° Vzi Note: This is a silly problem with silly answers!
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- 2. A 62 kg student stands on a 36 kg cart that is free to move in any direction. The cart and student are moving together with a velocity of 2.7 m/s [S]. The student then starts to walk so that her velocity is 3.1m/s [ E25oN] relative to the floor. Calculate the new velocity of the cart.A system composed of the following particles: a 0.500 kg particle at the origin; a 1.25 kgkg particle at x = 0.150 mm, y = 0.200 mm; and a 0.750 kg particle at x = 0.200 mm, y = -0.800 mm. a. Find the x-coordinate of the center of mass of the system. b. Find the y-coordinate of the center of mass of the system.31. Two cars collided at an intersection. Car 1 has a mass of 1460 kg with a velocity of 75 km/h going West. Car 2 has a mass of 1190 kg with a velocity of 100 km/h going North. After collision, the two cars stick together and moved at an angle 0 from the horizontal. Find the value of e and the final velocity of the two cars.
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