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2 answers:
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Width = 13cm
Length = 16cm
<u>Explanation:</u>
Let width = b,
So, length = b+3
Perimeter of rectangle = 2x(length + width)
According to the question,
Hence,
Width = 13cm
Length = 16cm
Answer:
dawn= x
erik= 1/3 x
jiro= 1/3 x -4
alita= 2(1/3 x -4)
x+x+ (1/3) x -4+2(1/3 x -4)=72
Step-by-step explanation:
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)