Question 2 please Part A um and You are standing on a sheet of ice that covers t

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Question 2 please

Part A um and You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between your feet and the ice. A friend throws you a ball of mass 0.400 kg that is traveling horizontally at 10.0 m/s. Your mass is 65,0 kg If you catch the ball, with what speed do you and the ball move afterwards? 6.12 cm/s Previous Answers Correct ollis Part B Ine If the ball hits you and bounces off your chest, so afterwards it is moving horizontally at 8.00 m/s in the opposite direction, what is your speed after the collision? rey's Anato comments cm/s SubmitP DES Incorrect; Try Again; 2 attempts remaining Bld Grey and Andy Her 9 sec) Next > Provide Feedback

Explanation / Answer

Using momentum conservation

Pi = Pf

m1u1 + m2u2 = m1v1 + m2v2

u1 = 10 m/sec

u2 = 0 m/sec

v1 = -8 m/sec

v2 = ?

0.400*10 + 65*0 = 0.400*(-8) + 65*v2

v2 = 0.400*18/65

v2 = 0.111 m/sec = 11.1 cm/sec

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