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pogonyaev
3 years ago
15

What I didn't even cross 1000 , how it can be possible...​

Physics
1 answer:
Ludmilka [50]3 years ago
6 0

Ce clasă ești sa văd daca te pot ajuta

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A skier starts from rest down a slope 500.0 M long, the skier accelerates at a constant rate of 2.00 m/s/s, what's the velocity
nevsk [136]
We can use the kinematic equation
(v_f)^2 = (v_i)^2 + 2*a*d
where Vf is what we are looking for
Vi is 0 since we start from rest
a is acceleration
and d is the distance

we get
(Vf)^2 = (0)^2 + 2*(2)*(500)
(Vf)^2 = 2000
Vf = about 44.721
or 44.7 m/s   [if you are rounding this by significant figures]
8 0
3 years ago
Based on the graph, describe how momentum changes with time for an object in free fall. If you can help, I would be so grateful.
pochemuha
With time, momentum increases as it builds speed assuming their is nothing in the way to stop it. Based on the graph, you can see that example being displayed as the line on the graph gets higher
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3 years ago
What is the oldest animal on earth?
Lilit [14]

Answer:

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6 0
3 years ago
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Gold is classified as a:<br> O noble gas<br> O halogen<br> O transition metal<br> O nonmetal
dedylja [7]

Answer:

Transition metal.

Explanation:

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6 0
3 years ago
How long in seconds will it take a car traveling at 100 miles/hour to travel the length of an American Football field?
Mrrafil [7]

Answer:

It will take 2.45 seconds.

Explanation:

A football field measured 120 yards, that is arround 0.068 miles, the car is moving with a constant speed so the formula we have to apply for this is:

t=\frac{x}{v}\\where\\x=distance\\v=speed\\

t=\frac{0.068}{100}\\t=0.00068hrs

in order to obtain the time in seconds:

tsec=0.00068hr*(\frac{3600sec}{1hr} )\\tsec=2.45 sec

6 0
3 years ago
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