The kinetic energy possessed by the skydiver is 14, 062. 5 Joules
<h3>What is kinetic energy?</h3>
Kinetic energy of an object is defined as the energy possessed by an object due to its motion.
It is also described as the work that is required to accelerate a body of mass from rest to its given velocity.
The formula for calculating kinetic energy is expressed as;
Kinetic energy = 1/2 mv²
Where;
- m is the mass of the object
- v is the velocity of the object
Now, substitute the values
Kinetic energy = 1/2 (45)(25)²
Find the square
Kinetic energy = 1/2 (45)(625)
Find the product
Kinetic energy = 1/2(28125)
Find the quotient
Kinetic energy = 14, 062. 5 Joules
Hence, the value is 14, 062. 5 Joules
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6-6.
6^-8/6^-2 becomes 6^-8(6^2) which is 6^-8+2=6^-6
Let
be the amount of time it takes to perform an arm routine and
be the amount of time it takes to perform an abdominal routine. We see:
Subtracting the second equation from the first gives
. Substituting gives
, so
and
.
Thus, an arm routine takes ten minutes and an abdominal routine takes thirty minutes.
