3 years ago

HELP ASAP PLSSSS WILL BE MARKED BRAINLIEST

Physics

1 answer:

vladimir1956 [14]3 years ago

4 0

Answer:

Nails rusting over time as they are exposed to oxygen

Explanation:

New substance with new property is formed

It have also changed the chemical property of the substance

It is difficult to reverse the change etc...

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How do we live on earth if the earth is in the sky?

PtichkaEL [24]

Answer:

We live on earth because we are not floating in the sky.

Explanation:

Because earth may be in the sky but we are not technically we are in the sky on earth not in the sky that's incorrect.

4 0

2 years ago

A 2 kg ball is thrown down with 50J of energy from a height of 10m, what is its velocity before it strikes the ground (neglect a

pochemuha

Answer:

V=14

Explanation:

PE=KE

mgh=1/2mv^2

2(9.8)10=1/2(2)v^2

(radical) 196= (radical)v

V=14

7 0

3 years ago

The movement of both oxygen and carbon dioxide in the body is accomplished by ___.

ad-work [718]

Answer: Diffusion

Explanation: Please give brainliest

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3 years ago

A car has a mass of 1.00 × 103 kilograms, and it has an acceleration of 4.5 meters/second2. What is the net force on the car

Novay_Z [31]

Answer:

$4.5 *10^{3}\ kgm/s^{2}$

Explanation:

Given:

$Mass= 1.00 * 10^{3} \ kilograms,\\Acceleration =4.5\ meters/second^{2}$

As we know that

Force=Mass * Acceleration

Putting the value of mass and Acceleration we get ,

$Force\ = \ 1.00 * 10^{3} * 4.5\ m/s^{2}$

$Force\ =4.5 * \ 10^{3} \ kgm/s^{2}$

Therefore Net force is : $4.5 *10^{3}\ kgm/s^{2}$

0 0

3 years ago

Brainliest if correct

ozzi

Answer:

It's is c coz the weight is equal to the normal force

7 0

3 years ago