Answer:
Her centripetal acceleration during the turn at each end of the track is
Step-by-step explanation:
Total distance covered in one round , D= 400 m
Time taken to cover one round , T = 1 min 40 s = 100 sec
Speed of runner ,
Now centripetal acceleration is given by
where
Thus her centripetal acceleration during the turn at each end of the track is
Answer:
If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day
will be .
Step-by-step explanation:
From the question, it is clear that
So
let '' be the number of days
takes to complete the whole work
Let the whole job be denoted as ''
Thus, the part of work finished in 1 day will be:
Therefore, If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day will be .
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The difference is .
Step-by-step explanation:
Step 1:
The polynomial is subtracted from the polynomial
.
If we write this as an equation, we get
.
To subtract the polynomials, we group up the terms based on their variables.
In this subtraction, there are two variables i.e. and
and there is one constant term.
Step 2:
The subtraction of the variables;
.
The subtraction of the variables;
.
The subtraction of the constants; .
So .