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Diano4ka-milaya [45]
3 years ago
10

An environmental scientist gives a demonstration on composting. Roger is in the audience. He wonders how composting discarded fo

od waste helps to slow climate change. What question should he ask to get his answer?
Select one:

a.
Will composting save money for my family?

b.
Does composting attract unwanted rodents?

c.
Can composting help more trees to grow?

d.
Does composting smell better than rotting trash?

e.
How many pounds of plastics does a typical family recycle in a month?
Physics
1 answer:
Wittaler [7]3 years ago
4 0

Answer:

A

Explanation:

I just did the test

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an object is thrown into the air with an initial velocity of 12 meters per seconds from a platform that is raised 4 meters above
butalik [34]

Answer:

1.52 seconds

Explanation:

Step 1: identity the given parameters

Initial velocity (u) = 12m/s

Height above ground (h1) = 4m

Final velocity (V) = 0

Step 2: calculate the height travelled by the object from 4m height (h2).

V^2 = U^2 -2gh

0= 12^2-2(9.8*h)

2(9.8*h) = 12^2

19.6*h = 144

h = 144/19.6

h = 7.347 m

Total height above ground (ht) = 4m +7.347m = 11.347m

Step 3: calculate the time reach ground

T = √(2h/g)

T = √(2*11.347/9.8)

T= √(22.694/9.8)

T= √2.316

T= 1.52 seconds

8 0
3 years ago
A wrench is accidentally dropped at the top of an elevator shaft in a tall building. (a) How many meters does the wrench fall in
RUDIKE [14]

Answer:

11.25m

Explanation:

s = ut +  \frac{1}{2} a {t}^{2}  \\  = 0 \times 1.5 +  \frac{1}{2} \times 10 \times   {1.5}^{2}  \\  = 5 \times 2.25 \\  = 11.25

6 0
2 years ago
A series of parallel linear water wave fronts are traveling directly toward the shore at 15.5 cm/s on an otherwise placid lake.
nata0808 [166]

Find the given attachment

7 0
3 years ago
What is the thermal energy of an object?
mr Goodwill [35]
The thermal energy of an object is the energy contained in the motion and vibration of its molecules. Thermal energy is measured through temperature. The energy contained in the small motions of the object's molecules can be broken up into a combination of microscopic kinetic energy and potential energy.
5 0
3 years ago
To what physical quantity do ampere-hours correspond, and what relationship do ampere-hours have to energy content?
navik [9.2K]

Electric charge

Explanation:

The ampere-hour corresponds to the unit of electric charge.

 Electric charge = electric current x time

    electric current is measured in amperes

     time is measured in hours

The ampere-hour is the current transferring one charge in one hour.

The ampere hour can be used to express the energy require to move a current of 1A in a hour.

The quantity is related to electric charge and the energy in a battery.

Learn more:

Electric circuit brainly.com/question/10421964

#learnwithBrainly

4 0
3 years ago
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