Answer:
a. 2.56 sec
b. 65.96 feet.
Step-by-step explanation:
a) The equation of motion of a body under gravity gives the equation
......... (1) {Where u is the initial velocity of the body and t is the time to descend h height and g is the acceleration due to gravity.
Now, from the equation (1) we have
{Since g = 32 feet/sec² }
⇒
So, applying Sridhar Acharya formula
seconds {Neglecting the negative root as t can not be negative.} (Answer)
b) Again we have the formula that
{Where v is the final velocity before hitting the ground.}
⇒
⇒ v = 65.96 feet / sec. (Answer)
1,5 would be in the same quadrant because of the double positive
None.
The absolute value of something cannot be <em>negative</em>.
6:15 is in ratio form..... If you mean fraction form, a ratio is equivalent to a fraction, so the answer is 6/15
–6<span>x2</span> – x + 2 = –1(6<span>x2</span> + x – 2)<span>. I hope this helped ^^</span>