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natali 33 [55]
3 years ago
8

Potential energy can transform into kinetic energy and vice versa so the total energy stay the same (reflect on the skateboard s

imulation)
A) True
B) False
Physics
1 answer:
marysya [2.9K]3 years ago
5 0
I think it’s true, but I’m not quite sure
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aksik [14]

Answer:

I reckon towards b. Let me know if im right

4 0
3 years ago
The greenhouse effect that raises the surface temperature of planets
PSYCHO15rus [73]

Answer:

c

Explanation:

Green house effect:

 Temperature of atmosphere is going to  increased continuously, because infrared light absorbed by gas .This increased in temperature atmosphere    is called green house effect.

The green houses gases are as follows

,Carbon diaoxide,water vapor  ,,Carbon diaoxide ,Methane ,,Carbon diaoxide oxide,CFCs ,ozone.

So the option c is correct.

3 0
2 years ago
Pls someone I need it urgently and explain Solving and explanation so I can understand Thank you
Temka [501]

Answer:

   f = 6.37 Hz,       T = 0.157 s

Explanation:

The expression you have is

       y = 5 sin (3x - 40t)

this is the equation of a traveling wave, the general form of the expression is

      y = A sin (kx - wt)

where A is the amplitude of the motion, k the wave vector and w the angular velocity

Angle velocity and frequency are related

         w = 2π f

         f = w / 2π

from the equation w = 40 rad / s

        f = 40 / 2π

        f = 6.37 Hz

frequency and period are related

       f = 1 / T

       T = 1 / f

       T = 1 / 6.37

       T = 0.157 s

4 0
3 years ago
Explain what the star looks like to Jane
S_A_V [24]
The star looks like a desirable hunk of masculinity to Jane. But to John, the star looks like a wimpy momma's boy who might compete with him for Jane's attention. Jane and John have different impressions of the star because of their gender-specific instincts that have evolved during thousands of millenia of human evolution.
7 0
3 years ago
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How could a slow moving train had the same momentum as a high-speed bullet
Flura [38]

Answer:

it is sooo easy u need to use magnetic panels on the rail and put the magnet on the train it works under the principal of magnetic

6 0
2 years ago
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