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Hi, can someone explain how to approach this question. A 1000kg car is moving at 25m/s when a net force of 200N acts to slow the car. This force acts while the car moves through a distance of 300m. What is the new speed of the car? thanks.

How would i go about sketching y = |x| ± sqrt(4-x2) ?

oh got it thanks

Given two roots of 2x3 - kx2 +8 = 0 are equal, find k.

ok thank you people! :D

Hi can someone help me out with this question. Find a, b and c if the graph of the quadratic function f(x) = ax^2+bx+c passes through O (0,0), A (4,0) and B (5,5). Then check by substitution whether the point D(-2,10) lies on the curve. Thanks.

Thanks a lot, you've been very helpful. :D

Hi can anyone help me with this question please? Highway A and Highway B intersect at right angles. A car on Highway A is presently 80km from the intersection and is travelling towards the intersection at 50km per hour. A car on Highway B is presently 70km from the intersection and is...

mathscape ext. 7-10

basically is like having more prac time in class than theory whereas pdhpe has more theory and less prac time