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IKITE VICTERS ONLINE CLASS 11 — 10 - 2021, , , , , PHYSICS - IX-PART- 05 CLASS 24, , incr, , Rate of change of momentum, , , , Mass =m, Initial Velocity =u, Final velocity =v, Time =t, , Initial Momentum p1 =, Final Momentum p2 = mv, Change of Momentum = mv - mu = m(v - u), Rate of change of momentum = m(v =u) /t, , * If a body bounce back on the same path with same speed,, change of mornenturn = mv - (-mv) = mv + mv = 2 mv, , 1, Acar of 1000 kg moves with a velocity of 10 m/s. On applying, brakes it comes to rest in 5 s. Then what are its initial momentum, and final momentum?, Mass m = 1000 kg, initial velocity u = 10 m/s, timet=5s, final velocity v = 0 m/s, Initial momentum p1 =, = 1000 x 10, = 10000 kg m/s, Final momentum p2 = mv, = 1000 x 0 =0 kgmi/s