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Pepsi [2]
3 years ago
9

500 person took a dip in a rectangular tank which is 80 m long 50m wide What is the rise in water level of water in the tank of

average displacement by a person is 0.04m^3
Mathematics
1 answer:
QveST [7]3 years ago
6 0
So, this is a question that strictly relates to physics. 

1st: multiply the average displacement by the number of people. 

2nd: Divide this number by 80x40m^2 which will find the height .

In case you want more detail, please rate it well and send a message to me. I will calculate it for you. 
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Neko [114]
8 percent is the answer
5 0
3 years ago
For a horizontal launch (θ0 = 0) at a fixed height ℎi > 0, are the statements below correct? (Assuming friction can be ignore
Marizza181 [45]

Answer:

1) False. 2) True. 3) True. 4) False.

Step-by-step explanation:

1) False. The force of gravity will drive it down. The path will form a parabola.

2) True. There is no variation in the velocity in the horizontal axis and no force applied so the acceleration is zero.

3) True. The travel time depends on the height and the acceleration of gravity, and independent of the velocity of the rocket at launch.

4) False. The travel distance depends on the initial velocity of the rocket (at launch).

5 0
3 years ago
Can somebody help me with this ?? :)
Alex777 [14]

Answer:

Your answer would be D, the equation is a function because it is a polynomial and all polynomials are functions.

Step-by-step explanation:

I like to remember that polynomials have no negative , fraction exponents and no division. In this case everything is positive so I knew it was a polynomial , and like the answer says all polynomials are functions !

Hope this helped

7 0
4 years ago
the local independent party wants to poll registered voters to see the proportion who would consider voting for an independent c
SpyIntel [72]

Answer: 1308

Step-by-step explanation:

Given : Level of confidence = 0.97

Significance level : \alpha=1-0.97=0.03

Critical value : z_{\alpha/2}=2.17

Margin of error : E=0.03

If prior proportion of population is unknown , then the formula to find the population proportion is given by :-

n=0.25(\dfrac{z_{\alpha/2}}{E})^2

\Rightarrow n=0.25(\dfrac{2.17}{0.03})^2=1308.02777778\approx1308

Hence, the minimum sample size needed =1308

6 0
3 years ago
Which number is greater than 234,781,114?
posledela

Answer:

I think its B.

Step-by-step explanation:

sorry if i am wrong.

3 0
3 years ago
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