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Dafna11 [192]
4 years ago
12

Two forces are acting on a wheelbarrow.One force is pushing to the right and an equal force is pushing to the left.What can you

say about the wheelbarrows movement?
A.it is slowing down
B.it is not accelerating
C.it is moving faster and faster
D.its speed is changing at a constant rate
Chemistry
2 answers:
andreev551 [17]4 years ago
7 0
B. It is not accelerating since equal and opposite forces cancel each other. Hope it helps
babymother [125]4 years ago
4 0

Answer: The correct answer is option B.

Explanation: We are given that two forces are acting on wheelbarrow. One of which is acting on right and the equal amount of force is acting on the left direction. This meas that the two forces are balanced forces.

Balanced forces are defined as the forces acting on the same object and are equal in magnitude but act in opposite direction. These forces cancel each other and not allow the object to move.

Hence, the object will not accelerate. So, the correct option is B.

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Question has to do with chemistry and is in the picture.
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Explanation:

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2 years ago
Baking soda and hydrochloric acid
olasank [31]
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4 0
3 years ago
From the mass of Al reacted, how many moles are present? What is the mole ratio between Al and H2 in the balanced chemical react
tigry1 [53]

Answer:

From the mass of Al reacted, how many moles are present? We don't have the mass of Al reacted

What is the mole ratio between Al and H2 in the balanced chemical reaction?

By stoichiometry, ratio between Al and H₂ is 3:2

What units are required on the temperature when doing calculations with gases? °K degrees

The value of R is 0.082 L.atm/mol.K

Explanation:

A chemical reaction for this can be this one:

2Al (s)  + 6HCl (aq)  →  2AlCl₃(aq)  + 3H₂ (g)

Balanced

To get the moles which are present in the mass of Al reacted you must calculate:

Al Mass / Al molar mass = Al moles

The Ideal Gas equation is this one:

Pressure . Volume = n° moles . R (gases constant) . T°K

The temperature must be in K, because the units of R

We usually use R = 0.082 L.atm/mol.K

5 0
3 years ago
HELP PLEASE
dsp73

The plane of the Moon's orbit around the Earth is tilted by 5° with respect to the plane of the Earth's orbit around the Sun, the ecliptic. This tilt prevents an eclipse from occurring at every new and full moon. In a lunar eclipse, the observer watches the Earth's shadow fall on the Moon.

6 0
3 years ago
Read 2 more answers
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