v = u + at, u = 1 a = -3 t = 1/2, Work out the value of v.
Sub the values you have been given into the formula provided.v = u +atv = 1 + (-3 x 1/2)Solve the equation you have created, be careful to stick to rules of BIDMAS (or BODMAS)and do the calculation in the brackets first.v = 1 -3/2v = -1/2
OR
Related Maths GCSE answers
All answers ▸A ball, dropped vertically, falls d metres in t seconds. d is directly proportional to the square of t. The ball drops 45 metres in the first 3 seconds. How far does the ball drop in the next 7 seconds?
Using factorization, solve x^2 + 10x + 24 = 0
The rectangles A and B have perimeters of 94cm and 56cm as shown below (insert diagram). Rectangle A: base = 2x cm, height = 3y cm. Rectangle B: base = (x+6)cm, height = (y+4)cm. Use an algebraic method to calculate the area of each rectangle. (8 marks)
Solve the simultaneous equation by elimination: 3x + y = 11 and 5x + y = 4