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vaieri [72.5K]
3 years ago
9

A car accelerates from 10 km/hr to 50 km/hr in 8 seconds. What is the acceleration?

Physics
1 answer:
nikklg [1K]3 years ago
6 0
The answer is 5 km/hr

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EXPERTS/ACE and people that wanna help 4 sure only!
mario62 [17]
That first one you have selected (3,-3) works in both equations so it's correct.
good job.

you can do this guess and test method with multiple choice answers. If it works in both equations it is the solution. Otherwise use substitution or elimination to combine the two into one equation in only one variable. Then you can solve for the one variable first and use it to solve for the other.

3 0
3 years ago
Which kind of mirror can produce real images?<br><br><br> A)concave<br><br> B)convex<br><br> C)flat
Anton [14]

Answer:

C

Explanation:

5 0
3 years ago
What is a catchy slogan to help people remember the difference between weathering and erosin
GaryK [48]
These are more of ideas to help your brain invent something less chessy...
Erosion is like corrosion, with no acid.
Erosion happens 'cuz the surface get frozen and beaten by the ocean. (they kinda rhyme) :)
Erosion is the transportation of, the deportation... 
~OR~
I cant think of anything for weathering but i got something good, but its still cheesy/ ):

Erosions' got the grooves and so it moves. But weathering breakdown and changes so its molecules changes.
I'm sorry these kinda suck...
5 0
3 years ago
A piece of wood has a volume of 4.6 cm to the power of 3, and a mass of 3.7 g what is the density of the wood
AysviL [449]

Density is given by:

D = M/V

D = density, M = mass, V = volume

Given values:

M = 3.7g, V = 4.6cm³

Plug in and solve for D:

D = 3.7/4.6

D = 0.80g/cm³

3 0
3 years ago
At the periphery of a hurricane the air is ____, and several kilometers above the surface, in the eye, the air is ____.
tatuchka [14]
<span>At the periphery of a hurricane the air is sinking, and several kilometers above the surface, in the eye, the air is sinking.  </span>
6 0
3 years ago
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