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2 years ago

14

i really need help! please hurry and answer this. i'll give you 5 stars and everything just please answer this as fast as you ca

n.

1 answer:

Alex_Xolod [135]2 years ago

3 0

Answer:

Triple, double, single

Explanation:

They are all the same type of elemental bond, therefore the more of the same bond, you can only assume it would get stronger.

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Shalnov [3]

Answer:

Explanation:

We will use the KE equation you wrote here and fill in what we are given:

$36=\frac{1}{2}m(12)^2$ and isolating the m:

$m=\frac{2(36)}{12^2}$ which gives us

m = .50 kg

3 0

2 years ago

How can all matter on Earth be classified?

Dvinal [7]

Answer:

by helping

Explanation:

u see the answer is by helping cause cleaning the earth help and helpingb animals so it would be helping

3 0

2 years ago

Read 2 more answers

The greatest wind speed recorded on Earth’s surface is 231 miles per hour. What is the speed in kilometers per hour?

Contact [7]

It would be 371.758hole this helps

4 0

2 years ago

On a hot summer day several swimmers decide to jump into a river. They step off the bridge and strike the water at 1.5s later. I

xxTIMURxx [149]

That is right because base*length is how you get the height

6 0

2 years ago

A law enforcement officer in an intergalactic "police car" turns on a red flashing light and sees it generate a flash every 1.2

butalik [34]

Answer:

The velocity of the police car relative to earth is $v_{rel} = 2.51\times 10^{8} m/s$

Given:

time for flash generation of the inter galactic police car, t = 1.2 s

time between flashes as measured from earth, t' = 2.2 s

Solution:

Utilising Einstein's equation for time dilation to calculate the velocity of the police car, the equation is given by:

$t' = \frac{t}{\sqrt {1 - \frac{v^{2}}{c^{2}}}}$ (1)

where, c = speed of light in vacuum = $c = 3\times 10^{8}$

re arranging eqn (1) for velocity, v:

$v_{rel} = c\times \sqrt {1 - (\frac{t}{t'})^{2}}$ (2)

Now, from eqn (2)

$v_{rel} = 3\times 10^{8}( \sqrt {1 - (\frac{1.2}{2.2})^{2}})$

$v_{rel} = 3\times 10^{8}\times 0.838$

$v_{rel} = 2.51\times 10^{8} m/s$

3 0

2 years ago