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wariber [46]
3 years ago
9

Two postal delivery workers have different routes. They both travel from the post office, to neighborhoods to deliver mail, and

then back to the post office. Which statement must be true about the two postal delivery workers?
Physics
1 answer:
SOVA2 [1]3 years ago
7 0

they travel the same distance

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A cheetah can maintain its maximum speed of 100 km/hr for 30.0 seconds. What minimum distance must a gazelle running 80.0 km/hr
german

Explanation:

Suppose the cheetah is initially positioned at x=0 (m) from the reference, and the gazelle is intially at poisiton x=d (m).

Then, at the worst case, that is when cheetah is running at the maximum case, the position of the gazelle relative to the reference must be larger than that of cheetah.

In equation form,

0\text{ km}+\frac{100\text{ km}}{1 \text{ hr}}\cdot30\text{ s }\cdot\frac{1\text{ hr}}{3600\text{ s}}\le d \text{ km}+\frac{80\text{ km}}{1 \text{ hr}}\cdot30\text{ s }\cdot\frac{1\text{ hr}}{3600\text{ s}}

(100-80)\cdot \frac{30}{3600}\le d

d\ge \frac16\text{ km}=166.66 \text{m}

8 0
3 years ago
2. A disturbance that generates a wave may be a simple pulse or shock.<br> b. False<br> a.<br> True
777dan777 [17]

That's true.

-- a bell starts ringing (wave) when you tap it (simple pulse)

-- a pond starts rippling (wave) when a stone drops in (simple shock)

-- a guitar strings starts waving when you pluck it

3 0
4 years ago
Inductive reasoning falls into fallacy when which of the following happens?
Brut [27]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions. 

Below are the chocies:

Hasty generalizations are made
One tries to deduce a conclusion from false premises
One has a large enough sample set of data on which tobase inductions
Data cannot support the claims made for the logicalreasoning
<span>One tries to work out syllogisms

I think the answer is </span>One has a large enough sample set of data on which tobase inductions
6 0
3 years ago
How is pure salt obtained from the sea water ?describe in brief ​
lianna [129]

Answer:

Evaporation

Explanation:

Evaporation

7 0
3 years ago
Read 2 more answers
This equation is known as the ideal gas law, and it can be used to predict the behavior of many gases at relatively low pressure
Masja [62]
The correct answer is 
<span>C) either the pressure of the gas, the volume of the gas, or both, will increase.

In fact, the ideal gas law can be written as
</span>pV=nRT
<span>where 
p is the gas pressure
V is its volume
n is the number of moles
R is the gas constant
T is the absolute temperature of the gas

We can see that if the temperature T increases, then the term on the right in the equation increases, therefore the term on the left should increase as well. In order for this to be possible, at least one between p and V should increase, or also both of them. Therefore, the correct answer is C.</span>
6 0
3 years ago
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