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Elenna [48]
3 years ago
9

Question 6

Chemistry
2 answers:
Sholpan [36]3 years ago
8 0

Answer:

C 5.0 m/s²

Explanation:

Given data

Mass (m): 9.0 kg

Force (F): 45 N

A 9.0-kg crate rests on a frictionless surface, thus, the only horizontal force to consider is that of 45 N. We can find the acceleration of the 9.0-kg crate due to the 45 N force using Newton's second law of motion.

F = m × a

a = F/m = 45 N/9.0 kg = 5.0 m/s²

Gnom [1K]3 years ago
5 0

Answer:

the answers 5, also did u finish ur ia yet,

if so you know what to do.

Explanation:

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If the temperature of the helium balloon were increased from 30°C to 35°C and the volume of the balloon only expanded from 0.47L
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Explanation:

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4 0
3 years ago
Which gas law (choices are Charles' Law, Gay-Lussac's Law, or Boyle's Law) explains each scenario:________.
posledela

Answer:

A.  Boyle's Law

B.  Charles' Law

C. Gay-Lussac's Law

Explanation:

An air bag inflates due to the decomposition of sodium azide or NaN₃ to completely fill the bag with nitrogen gas which is an example of Boyle's law, which states that the pressure of a given mass of gas is inversely proportional to its volume, hence due to the estricted volume of the airbag, the pressure of the nitrogen gas in the bag increses protecting the occupants of a cr from injuries in a crash

Helium balloon decrease in sice in a freezer is an example of Charlles law which states that the volume of a given mass of gas is nverslely proportionl to its temperature at constant pressure

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4 0
2 years ago
On a coordinate plane, which single transformation could map point A (3,-4) onto point A' (1.5,-2)? *
Ksenya-84 [330]

Answer: A dilation with rule: (x,y)\to(\dfrac12x,\dfrac12y)

Explanation:

A dilation is a non-rigid transformation that creates an image that is the same shape as the original but has a different size.

It uses a scale factor k such that

(x,y)\to(kx,ky)

(x,y)= coordinates of original figure

(kx,ky) = corresponding coordinate in the image.

To transform: A (3,-4) onto point A' (1.5,-2).

Using scale factor k= \dfrac12, we have

A(3,-4)\to A'(\dfrac12\times3, \dfrac12\times-4)=A'(1.5,-2)

Required rule: (x,y)\to(\dfrac12x,\dfrac12y)

3 0
2 years ago
When each piece of ice is placed on a piece of oil it is observed that ice piece 2 melts faster than ice plece 1
solniwko [45]

We cannot see it its so small

Also yes it matches your hypothesis

4 0
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