3 years ago

A can, containing only air, has its lid tightly screwed on and is left in strong sunlight

1 answer:

3 0

Answer:

Because everyone knows that when you increase temperature activity withn molecules increases they will collide more making the can probably explode

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A plane passes over point a with a velocity of 5000 m/s north. Sixty seconds later it passes over point b at a velocity of 10,00

andrew-mc [135]

Answer:

The plane’s acceleration from A to B is

$a =83.33\ m/s^2$

Explanation:

The acceleration of an object is a measure of how its speed changes over time.

In this case, we know that the plane initially has a velocity of 5000 m/s when it passes through point A, and when it passes through point B, 60 seconds later it has a velocity of 10,000 m/s.

Then the average acceleration is calculated as

$a =\frac{s_2-s_1}{t_2-t_1}$

Where

$s_2 = 10 000$ is the final speed

$s_1=5000$ is the initial velocity

$t_2 -t_1=60$ is the time it took for the object to reach the final speed

Then

$a =\frac{10000-5000}{60}$

$a =\frac{5000}{60}$

$a =83.33\ m/s^2$

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Identify how an electronic motor works.

Lena [83]

Large AC motors (used in things like factory machines) work in a slightly different way: they pass alternating current through opposing pairs of magnets to create a rotating magnetic field, which "induces" (creates) a magnetic field in the motor's rotor, causing it to spin around.

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Density of water is 1000 kg/m3 and that of glass is 2500 kg/m3 . The speed of light will be maximum in

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What is the momentum of a 248 g rubber ball traveling at 30.0 m/s?

Vikentia [17]

<span>The answer is, 7.44 kg*m/s</span>

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