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larisa [96]
3 years ago
12

Which of these is an example of a chemical reaction that occurs at a very slow rate?

Physics
2 answers:
spin [16.1K]3 years ago
8 0

Answer:

acid rain

Explanation:

cause it desolved in slow ways

Aloiza [94]3 years ago
4 0

Answer:

iron rusting

Explanation:

it takes forever i mean it is not like you leave you bike out once in the rain and it is rusty it takes years

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A wagon has a mass of 100 grams and an
olga2289 [7]

Answer:

Net force on the wagon is 200 N

Explanation:

As we know by Newton's II law that net force on the system of mass is given as product of mass and acceleration

Here we know that

mass = 100 kg

a = 2 m/s/s

now we have

F = ma

F = (100)(2)

F = 200 N

3 0
3 years ago
Wood is an example of a translucent material.<br> True<br> False
Svetradugi [14.3K]
False, wood is a solid structure that is not see through
3 0
3 years ago
The table shows the decay in a 59 g sample of bismuth 212 overtime.
Vikki [24]

Answer: C

14.75g

Explanation:

Given that the half life time = 60.5s

Let No = initial mass = 59g

N = decayed mass

At time t = 0, No = 59g

At time t = 60.5s,

N = No/2 = 59/2

= 29.5g

At time t = 121

N = 29.5/2 = 14.75g

Therefore N = 14.75g

7 0
3 years ago
An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula: )
Furkat [3]
KE = 1/2 * m * v2

We have to rearrange this so the subject is mass. (because the question asks for the mass of the object) :

Mass = (2 * KE) / v

Now input the values into this equation to get your answer :

Mass = (2 * KE) / v
Mass = (2 * 480) / 8
Mass = 960 / 8
Mass = 120
7 0
3 years ago
Read 2 more answers
Electricity cost 10p how much will it cost to use a 85w laptop and a 60w lamp for an hour
Reil [10]

Answer:

Explanation:

usually electricity is sold in the units of kWh, which I will ASSUME is the case here.

85 W (1 kW/1000W)(1hr)(10 p) = 0.85p

60 W (1 kW/1000W)(1hr)(10 p) = <u>0.60p</u>

together they would cost           1.45 p

which would be rounded down to 1 p

7 0
3 years ago
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