Find the velocity of a runner that complete 400 meters in 56 seconds
Answers
Answer:
Step-by-step explanation:
As long as the runner does not change direction, the velocity would be
Formula
d = r*t
r = d/t
Solution
r = 400 m / 56 s
r = 7.14 m/s
Answer:
The correct answer , velocity = 7.14 m/s
Step-by-step explanation:
Formula:
Velocity = Distance/Time
The common units are km/hr and m/s
It is given that, a runner that complete 400 meters in 56 seconds
From the given information we get,
Distance = 400 m and time = 56 s
To find the velocity
Velocity = Distance/Time = 400/56 = 7.14 m/s
Therefore the correct answer , velocity = 7.14 m/s
Related Questions
The commission for selling a house is$11825, which is 5.5% of the selling price. What is the selling price of the house?
Whats the answer for 3=2x2+b
What does AB represent in this figure
A farmer collected 12 dozen eggs from her chickens. She sold 5/6 of the eggs at the farmers' market, and gave the rest to friends and neighbors. How many dozens did the farmer give away
Answers
Lemme at it ! Outa my way !
The probability of picking two of the friends to work together is
(the number of pairs of friends there are)
divided by
(the total number of pairs that can be pulled out of 21 students).
The number of pairs of friends there are is (3 x 2) / 2 = 3 pairs.
The total number of pairs that can be selected out of 21 students is
(21 x 20) / 2 = 210 pairs.
The probability that the pair selected will be two of the friends is
3 / 210 = 1/70 = about 1.43 % (rounded)
Answers
It takes 10 workers 5 days to complete a road repair when working 2 hours a day.
So, this becomes : man hours required to finish the work.
Given is, if 2 people work for 5 hours a day, then let the number of days to finish the road be = d
So, total man hours =
Now, or
Hence, it will take 10 days for 2 people working 5 hours daily, to complete the work.
It will take 10 days for 2 people working 5 hours a day to finish the road repair.
Further Explanation:
From the question;
10 workers can finish road repair in 5 days working 2 hours a day
We need to find;
The number of days required to complete the road repair by 2 workers working 5 hours a day.
Assuming the number of days required to complete the work is x
Number of working hours of 10 people is 10 hours ( 2 hours a day for 5 days)
Number of working hours of 2 people is 5x hours (5 hours a day for x days)
Note that; the number of workers or people is inversely related to the number of working hours.
Therefore;
Product of number of people and working hours or work done is a constant
Thus;
10 × 10 = 2 × 5x
100 = 10 x
x = 10
Therefore;
2 workers working 5 hours a day will require 10 days to complete the road repair.
Keywords: rate of work, number of hours, number of days required to complete the job.
Learn more about;
- Rate of work: brainly.com/question/1144815
- Example of a similar question: brainly.com/question/12355798
Level: Middle school
Subject: Mathematics
Topic: Rate of work
Answers
Gotta put the whole question bro?
Answer:
dude seriously
Step-by-step explanation:
Answers
14 isn't correct.
14. y : 6 x : -2
16. y : 1 x : -1/3
18. y : -5/3 x : -1
Answers
Answers
A(9)= -14+(9-1)(2)
Subtract 9-1
A(9) = -14+(8)(2)
Multiply 8*2
A(9) = -14+16
Add -14+16, which is the same as 16-14
A(9) = 2
The 9th term is 2.
A(9) = -14 + (8)(2)
A(9) = -14 + 16
A(9) = 16 - 14
A(9) = 2