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Physics 1301 – Math Review Equations 1. If 2(x+3) + 7(2-y) = 4 and 2(x-3) – 4(y-3) = 2 2. If πΉπΉ = πΊπΊππ12ππ2 π π and πΉπΉ = 4ππ2 π π ππ1 ππ 2 solve for x and y solve for m2 in terms of T and R. Right Angle Trigonometry 3. If A = 30° and c = 6.0 m. Find side a, b, and angle B. c 4. If a = 2.0 m and b = 5.4 m. Find angles A , B, and side c. B C A b 5. If sin A = 0.60 and a = 1.8 cm. Find side b, c, and angle B. Slope and Area under the Curve 6. Write an equation for the graph in the slope intercept form. Speed vs Time 15 7. What is the area under the curve between 1 s and 7 s? 8. Find the derivative of the equation for this graph. What does it represent? dv (t ) dt = speed (m/s) v(t) = 10 5 0 -5 -10 -15 0 1 2 3 4 5 6 7 time (s) 9. Find the definite integral of the equation for this graph between 1s and 7s. ∫ 7s 1s v ( t ) dt = 8 9 10 11 a Vectors 20 m/s 15 m/s 21° vector A 53° vector B 10. Write vector A and B in terms of their unit vectors. A= B= 11. Calculate the following then sketch the operation showing A, B and the resultant. Find A + B = Find A – B = Find B – A = Multiply A by 5 kg = Quadratic Equation 12. Use the quadratic equation to find t in -4.9t2 + 2t + 20.