2. Two cars, both with mass m, collide and stick together. Prior to the collision, one car had been travelling north at a speed of 2v, while the second was travelling at a speed v at an angle o as shown on the diagram. After the collision, the two cars travel with a Vinal at an angle 0 NORTH EAST, again, as shown in the figure. Determine the final velocity if v = 25 m/s and o = 30. Vfinal 2v E

Q5. As shown in the image below, the freight cars A and Bare approaching each other, and they have a mass of mA = 19 Mg and mB = 12 Mg, respectively. The directions of their initial velocities are shown in the image, and the speeds are VA,1 = 4.7 m/s and vB,1 = 1.2 m/s. If the two cars collide and get stuck together, determine the loss of their combined kinetic energy (in kJ) during the collision. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point, and proper SI unit. VA,1 A VB,1 В Your Answer: Answer

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A Z Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, 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 10.8 m/s. Olaf's mass is 69.7 kg.( Figure 1) 2 masteringphysics.com/mycitemView?assignment ProblemID=189028758&offset=next W S Figure X command A # 3 20 E D C $ B 4 888 R F I % 5 of V 254 FD T G 6 B Part A 20 If Olaf catches the ball, with what speed ty do Olaf and the ball move afterward? Express your answer numerically in meters per second. View Available Hint(s) Y ▾ Part B H U= 0.167 Submit X Incorrect; Try Again; 5 attempts remaining ty = Submit Provide Feedback MacBook Air 195] ΑΣΦΑ & 7 If the ball hits Olaf and bounces off his chest horizontally at 7.00 m/s in the opposite direction, what is his speed vy after the collision? Express your answer numerically in meters per second. ▸ View Available Hint(s) N IVE] ΑΣΦ Previous Answers F7 U * 8…