Recent content by Jerome1

  1. J

    Finding the northward distance from Accra to Banjul given bearing and distance

    it's 845, am i correct?
  2. J

    Finding the northward distance from Accra to Banjul given bearing and distance

    thanks bro...i've gotten the answer
  3. J

    Finding the northward distance from Accra to Banjul given bearing and distance

    can you help me with that, i'll do the rest myself if you can draw the triangle for me please.
  4. J

    Finding the northward distance from Accra to Banjul given bearing and distance

    Banjul is approximately 2000 km from Accra. The bearing of Banjul from Accra is 295°. How far north of Accra is Banjul please give me a clue on how to do this
  5. J

    What is the bearing and distance between cities A and C?

    An airplane flew from city A on a bearing of 65 degrees to city B, a distance of 60km away. It then flew from B on a bearing of S 25 degree west to city C at a distance of 86km. Calculate (1) the bearing of C from A (ii) The distance between A and C
  6. J

    Angle of elevation and depression problems

    (1) Prof micheal walks towards the university clock tower and decides to find the height of the clock above ground. He determines the angle of elevation to be 30 degrees and after proceeding an additional 60m towards the base of the tower, he finds the angle of elevation to be 40 degrees. What...
  7. J

    How Much Power is Needed to Pump Water Up 10 Meters and Out at High Speed?

    i don't know how to work it out
  8. J

    How Much Power is Needed to Pump Water Up 10 Meters and Out at High Speed?

    Here... d = 2 * r 10 = 2 * r r = 10/2 r = 5cm Area = PI*r*r Area = (22/7) * 25 Area = 550/7 = 78.57 ~ am i correct?
  9. J

    How Much Power is Needed to Pump Water Up 10 Meters and Out at High Speed?

    how to go about the diameter thing!
  10. J

    How Much Power is Needed to Pump Water Up 10 Meters and Out at High Speed?

    An engine pumps water from a river 10m below its own level and discharges it through a nozzle of diameter 10cm with a speed of 50ms^-1. Find the power required assuming (a) no losses. (b) 70% efficiency. Water weighs 10^3kgm^-3. (g = 10ms^-2) Please help me with this problem, I've bever come...
    • Jerome1
    • Thread
    • Engine Physics Physics engine Pump
    • Replies: 7
    • Forum: General Math
  11. J

    Velocity-time graph for train with acceleration, constant speed, and braking

    i got that thanks, the graph looks like a trapezium, so the area of the trapezium is the total distance right?
  12. J

    Velocity-time graph for train with acceleration, constant speed, and braking

    i don't have answers to that.
  13. J

    Velocity-time graph for train with acceleration, constant speed, and braking

    A train starts from rest from a station and travels with uniform acceleration 0.5m/s^2 for 20s. it travels with uniform velocity for another 30s, the brakes are then applied so that a uniform retardation is obtained and the train comes to rest in a further 10s. sketch the velocity-time graph of...
  14. J

    How Do You Determine the Image and Kernel of a Linear Map from R^4 to R^2?

    Consider d map f:R^4 into R^2 defines by f(x,y,z,w)=(2x+y+z+w,x+z-w). find the image and the kernel, please include explanations...
  15. J

    How Can I Use Mellin and Hankel Transforms to Solve Problems?

    pls use mellin and hankel to transfrom 1, e^-at and cost
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