Question 6 (4 marks) An object of mass 12 kg moves with an initial velocity of (3i +9j) ms". A force of (21-23) N acts o

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Question 6 (4 marks) An object of mass 12 kg moves with an initial velocity of (3i +9j) ms". A force of (21-23) N acts o

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Question 6 4 Marks An Object Of Mass 12 Kg Moves With An Initial Velocity Of 3i 9j Ms A Force Of 21 23 N Acts O 1
Question 6 4 Marks An Object Of Mass 12 Kg Moves With An Initial Velocity Of 3i 9j Ms A Force Of 21 23 N Acts O 1 (41.06 KiB) Viewed 24 times
Question 6 (4 marks) An object of mass 12 kg moves with an initial velocity of (3i +9j) ms". A force of (21-23) N acts on the body for 6s. a) Find the vector impulse acting on the body and the velocity after the impulse ceases to act. (2 marks) b) Determine the Kinetic Energy change after the impulse has been applied. (2 marks) Question 7 (3 marks) A lorry of mass 4500 kg moving at 1.8 ms collides with a second stationary lorry of mass 9000 kg Immediately after the collision the second lorry moves with a velocity of 0.5 ms! Find the velocity of the first lorry immediately after the collision and the Kinetic Energy loss in the collision. (3 marks)
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