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Showing posts from September, 2020

How to Trick Your Brain Into Loving Study Sessions (Seriously)

Studying doesn’t have to feel like a slog. The truth is: your brain isn’t built to drag through hours of tedium—it responds best to pattern, reward and rhythm. By shifting how you approach study time, you can turn it from duty into something your brain actually enjoys. ‎Here are five simple, smart ways to do it. Try one today and see how your focus follows. ‎1. Study in Short Bursts, Not Endless Sessions    ‎Forget the idea that you must sit for three hours straight. Cognitive science shows our attention drops significantly after about 25–30 minutes. So use the Pomodoro Technique : study for 25 minutes, take a 5‑minute break; after four rounds, give yourself a longer break (15–20 minutes). That rhythm gives your brain permission to reset—and makes that “next block” easier to start.  ‎2. Turn Learning into a Game ‎The brain loves victory—even tiny ones. Set fun micro‑challenges: finish chapter one in 20 minutes, get 10 questions right in a row, or beat yesterday’s time. E...

Pressure in the fluid

       Fluid refers to gases, liquids or anything that flows. When we say pressure in fluid, we are referring to the kind of pressure which fluids exert. So, what is pressure?                                               Pressure  Pressure is a force or vertical force per unit area acting on a surface. It has the following units         I.             Newton per square metre (Nm -2 )       II.             Pascal (Pa)     III.             Bar 1 Bar = 10 5 Nm -2 = 10 5 Pa Pressure is a...

Motion

        Motion is a change of position of a body or object with time                            Types of motion There are four types of motion which include         I.             Vibratory motion       II.             Translational motion     III.             Rotational motion   IV.             Random motion                           Vibratory motion   This is a to-and-fro motion of a body at a fixed ...

Laws of Logarithms

    Log (AB) = Log A + Log B   Log (A/B) = Log A – Log B   Log (A x ) = X Log A                                             Example Question Simple the following without using tables 1.     Log 16 ÷Log 4 2.     Log 24 – Log6÷ Log 16                           Solution 1)    Log 16÷Log 4   = Log 2x2x2x2÷Log 2x2   = Log 2 4 ÷Log 2 2 = 4Log 2÷2Log2 = 2 2)    Log 24 – Log6÷ Log 16                   Solution Log 24 – Log 6÷ Log 16   Log (8x3) – Log (2x3) ÷ Log (2x2x2x...

Logarithm Theory 2

  1.       Given that Log 2 = 0.30101, evaluate the following, i)         Log 16 Ii)   Log 128                          Solution i)           Log 16   = Log 2 4   =    4 Log 2 Substitute 0 . 30101 to Log 2   4         (0.30101) = 1.20404   ii)       Log 128          = log 2 7 =   7 Log 2 = 7 (0.30101) = 2.10707 2.       Evaluate without any tables 3Log2 +Log20 – log1.6                Solution 3Log2+Log20-Log 1.6 = Log2 3 +Log20-Log16/10 = Log{8x20x10/16} = Log 100 = Log 10 2 = 2Log10 =...

Logarithms

     Logarithm to a certain base of a number is equal to the power to which the base must be raised to give the number.                   M = X a                   Log x M = a                  4 = 2 2                    Log 2 4 = 2 Evaluate the following logarithms 1.     Log 10   10000 2.     Log 4    1/16 3.     Log 100   0.00001                                        ...

The Angle of Elevation and depression

       The foot of a ladder is 6m from the base of an electric pole, and the top of the ladder rests against the pole at a point 8m above the ground. How long is the ladder?                                              Solution                                                                                                     ...