Answer:
Step-by-step explanation:
Power is defined by work over time. In physics, work can be defined as the energy transferred over from an applied force over some distance. As a formula:
, where F = force applied and d = distance that force is applied over.
*It is worth noting that F must be parallel to the distance travelled. If it is perpendicular, no work is done, and if it is at an angle, find the parallel component and use that for F.
In this case, the force applied must counter the force of gravity on Martha, which is given by 
, where m = Martha's mass and g = gravitational constant 9.8 m/s/s. Therefore, 
. Since she raises her body 4.0 meters, the work done must be 
.
Since power is equal to work over time and t = 2.3 seconds, we have:
(to two significant figures)
8-2i is their total score. You can't combine the imaginary numbers and real numbers.
Answer:
-5.9n+9.1
Step-by-step explanation:
3.1 - 3.9n - 2n + 6=
Combind like terms
Step 1: -3.9 - 2n=-5.9n
Step 2: 6 + 3.1=9.1
Combine:
-5.9n+9.1
Answer:
10
Step-by-step explanation:
GIVEN: Josiah is playing a computer game that lets him customize a story There are 
different eras and 
location to choose from.
TO FIND: How many different stories can Josiah construct.
SOLUTION:
Total different eras 
Total different locations 
He can choose one era and one location.
Total different stories that Josiah can construct 
Hence Josiah can construct 10 different stories.
