3 years ago

How hot is the sun in degrees Celsius?

Physics

1 answer:

Vlada [557]3 years ago

8 0

Answer:

The temperature of the mantle varies greatly, from 1000° Celsius near its boundary with the crust, to 3700° Celsius

hope this helps you!

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A 100 kg box as showsn above is being pulled along the x axis by a student. the box slides across a rough surface, and its posit

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Answer:

a) 2 m/s

b) i) $K.E = 50 (1.5t^2 + 2) ^2\\$

ii) $F = 3tm$

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The function for distance is $x = 0.5t ^3 + 2t$

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Velocity = $v= \frac{d}{dt} x$

Acceleration = $a= \frac{d}{dt}v$

To find speed at time t = 0, we derivate the distance function:

$x = 0.5 t^3 + 2t\\v= x' = 1.5t^2 + 2$

Substitute t = 0 in velocity function:

$v = 1.5t^2 + 2\\v(0) = 1.5 (0) + 2\\v(0) = 2$

Velocity at t = 0 will be 2 m/s.

To find the function for Kinetic Energy of the box at any time, t.

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We know that $Force = mass \times acceleration$

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3 years ago

What is the resistance in a circuit that carries a 0.75 A current when powered by a 1.5 V battery?

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Once you solve for R, your new formula would be: R= ( ΔV / I )
Plug in your values to get: R = (1.5V / .75A )
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