At the time t₁ = 0, an object with a mass m = 4.51 kg passes through the origin with a velocity v₁ = (5.411 -2.21ĵ) m/s.

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At The Time T 0 An Object With A Mass M 4 51 Kg Passes Through The Origin With A Velocity V 5 411 2 21j M S 1 (18.3 KiB) Viewed 18 times

At the time t₁ = 0, an object with a mass m = 4.51 kg passes through the origin with a velocity v₁ = (5.411 -2.21ĵ) m/s. At a time t₂ = 2.00 s, the object is at the position r = (8.001 +4.00ĵ) m. Assume that the force acting on the object during the time interval At = t₂-t₁ is constant and determine the following. (a) the kinetic energy of the object at the time t₁ J (b) the force acting on the object during the time interval At = t₂-t₁ (Express your answer in vector form.) N (c) the work done on the object by the force during the time interval At = t₂ - t₁ J (d) the kinetic energy of the object at the time t₂ J (e) the speed of the object at the time t₂ m/s