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sertanlavr [38]

2 years ago

14

What are the different ways a person could reduce air pollution and energy consumption?

1 answer:

son4ous [18]2 years ago

3 0

There are a number of ways one can help reduce air pollution and energy consumption.
1) carpool or take public transport to reduce carbon dioxide emission
2) Use energy efficient lights
3) Avoid wasting energy
4) Run appliances like dishwashers and washing machines only when full
5) Buy electric or hand powered lawn maintenance equipment instead of gasoline ones
6) Invest in solar panels
7) Drive a hybrid car

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URGENT!!!!!!!<br><br> PLEASE HELP WITH THIS PHYSICS PROBLEM

Levart [38]

Explanation:

Let

$x_1$ = distance traveled while accelerating

$x_2$ = distance traveled while decelerating

The distance traveled while accelerating is given by

$x_1 = v_0t + \frac{1}{2}at^2 = \frac{1}{2}at^2$

$\:\:\:\:\:= \frac{1}{2}(2.5\:\text{m/s}^2)(30\:\text{s})^2$

$\:\:\:\:\:= 1125\:\text{m}$

We need the velocity of the rocket after 30 seconds and we can calculate it as follows:

$v = at = (2.5\:\text{m/s}^2)(30\:\text{s}) = 75\:\text{m/s}$

This will be the initial velocity when start calculating for the distance it traveled while decelerating.

$v^2 = v_0^2 + 2ax_2$

$0 = (75\:\text{m/s})^2 + 2(-0.65\:\text{m/s}^2)x_2$

Solving for $x_2,$ we get

$x_2 = \dfrac{(75\:\text{m/s})^2}{2(0.65\:\text{m/s}^2)}$

$\:\:\:\:\:= 4327\:\text{m}$

Therefore, the total distance x is

$x = x_1 + x_2 = 1125\:\text{m} + 4327\:\text{m}$

$\:\:\:\:= 5452\:\text{m}$

3 0

3 years ago

Convert 5.7 miles to km

gayaneshka [121]

5.7 kilometers is equal to 3.5418157957528034 miles

4 0

3 years ago

Read 2 more answers

A student measured the specific heat of water to be 4.29 J/g.Co. The

leonid [27]

Answer:

2.63 %.

Explanation:

Given that,

The calculated value of the specific heat of water is 4.29 J/g.C

Original value of specific heat of water is 4.18 J/g.C.

We need to find the student's percent error. The percentage error in any quantity is given by :

$P=\dfrac{|\text{original value-calculated value}|}{\text{original value}}\times 100\\\\P=\dfrac{4.29-4.18}{4.18}\times 100\\\\P=2.63\%$

So, the student's percent error is 2.63 %.

7 0

2 years ago

During your summer internship for an aerospace company, you are asked to design a small research rocket. The rocket is to be lau

Luden [163]

10.8 seconds is the correct answ

3 0

3 years ago

The ratio of present ages of sunanya

kykrilka [37]

hope it helps

plz mark brainliest

4 0

2 years ago