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balu736 [363]
3 years ago
7

What type of system is best used to observe conservation of mass because all of the mass stays in one place?

Physics
2 answers:
Montano1993 [528]3 years ago
8 0

Answer:

trump

Explanation:

yee hawww

Zepler [3.9K]3 years ago
4 0

Answer:I think a closed system

Explanation:

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It takes a truck 3.56 seconds to slow down from 112 km/h to 87.4 km/h. What is its average acceleration?
maxonik [38]

Answer:

option B

−1.92 m/s2

Explanation:

Given in the question,

time took by truck to slow down = 3.56 sec

initial speed of truck = 112 km/h

final speed of truck = 87.4 km/h

1 km/h = 0.277778 m/s

112 = 31.1 m/s

87.4 = 24.28 m/s

Formula use to calculate the acceleration

v - u = at

where v is final speed

           u is initial speed

           a is acceleration

           t is time

plug values in the equation

24.28 - 31.1 = a(3.56)

-6.8 = a(3.56)

a = -6.8 / 3.56

a = -1.9 m/s²

3 0
4 years ago
What is the speed of light (f = 5.09 E14 Hz) in glycerol?
Vikentia [17]

Answer:

The speed of light in glycerol is 2.04×108 m/s .

Explanation:

4 0
3 years ago
Select the correct answer.
Ierofanga [76]

Answer:

The brick would heat up the fastest.

Explanation:

Bricks are thick but they absorb sunlight at an alarming rate.

7 0
3 years ago
If some electrons are transferred from object A to object B,
Igoryamba

Answer: A. Object A will have a positive charge.

Explanation: If the number of protons and electrons are the same, their net charges cancel each other out, and you have a neutral charge. If electrons are transferred to another object, the amount of positive charge will outweigh the amount of negative charge. As a result, you are left with an overall positive charge in object A. Meanwhile, object B is now negative.

6 0
3 years ago
Which atomic particle gives an atom gives it it’s chemical properties? Question 3 options: A.Isotopes B.Neutrons C.Electrons D.P
bulgar [2K]
C. is your answer! Hope it helps!
7 0
3 years ago
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