how to calculate the magnitude

thet (0) 3 75 )= - 133 73, 4 0 1 3 75 0 1 375 7net = - 3566 2, 4 N 30 January 2033 Question 4 QUESTION 4 (Start on a new page.) pount A 2 kg block is sliding to the right on a frictionless horizontal surface at 4 m-s". A force of 2 500 N is now exerted on the block for a short period of time as indicated in the graph below. FINT 2 500 10 11 1 (x10 5) (2) 4.1 Define the term impulse. (3) 4.2 Calculate the magnitude of the impulse on the block