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this means that there are 5 parts to share out altogether. (2+3=5) So you take the value you wish to share and divide it by 5. once you've divided the value by five, to share in the ratio 2:3 simply means...

the phase difference between sine and cosine graphs is pi/2. so when the sine function is applied to an angle, to get the corresponding answer but from a cosine function you simply add pi/2 (Radians only,...

Force=(mass)x(acceleration) F=2x2=4N Work done=(Force)x(distance) W=4x10=40J

Look at the two fractions to see what multiplier has been used. In this case, the denominators are both known: 8 and 24.

8 has been multiplied by 3 to get a new denominator of 24.

This means...

ADH (Anti-diuretic hormone). First his blood plasma becomes more concentrated. This is detected by receptors in the hypothalamus which stimulates the pituitary gland to secrete ADH. ADH enters the blood s...