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Gnesinka [82]
3 years ago
6

Currently, Earth's tilt is closest to _____.

Physics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0
The answer is C. 23.5°. <span>It's because of this </span>tilt<span> that the </span>Earth<span> experiences seasons as it orbits around the Sun. Imagine the Sun is at the center of a spinning record.</span>
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A truck covers 47.0 m in 8.60 s while smoothly slowing down to final speed of 2.30 m/s. (a) Find its original speed.
Kruka [31]

Explanation:

Given that,

Distance, s = 47 m

Time taken, t = 8.6 s

Final speed of the truck, v = 2.3 m/s

Let u is the initial speed of the truck and a is its acceleration such that :

a=\dfrac{v-u}{t}.............(1)

Now, the second equation of motion is :

s=ut+\dfrac{1}{2}at^2

Put the value of a in above equation as :

s=ut+\dfrac{1}{2}\times \dfrac{v-u}{t}\times t^2

s=\dfrac{t(u+v)}{2}

u=\dfrac{2s}{t}-v

u=\dfrac{2\times 47}{8.6}-2.3

u = 8.63 m/s

So, the original speed of the truck is 8.63 m/s. Hence, this is the required solution.

8 0
3 years ago
If it is brittle, dissolves easily in water, has a high melting point, and conducts electric current it is a(n) __________.
Julli [10]

Answer:

Ionic Compound

Explanation:

We know that an ionic compound dissolves easily in water. Its melting point is very high, and it is a conductor.

The equation for Ionic Compound (IC) versus Electricity (EC) is

IC=1/2 divided by EC

EC is the base for the mathematics, so EC is a base warmth at 360.

360 divided by 1/2 is 180

That is the speed in which the current has.

Glad I could help!

Call me if ya need anything!

:)

7 0
2 years ago
Determine the gain in the potential energy when a 8.0 kg box is raised 17.2 m.
Marysya12 [62]

Answer:

<h2>The answer is 1376 J</h2>

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 10 m/s²

From the question we have

PE = 8 × 10 × 17.2

We have the final answer as

<h3>1376 J</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
Who was the last person to step on the moon?
Pavlova-9 [17]
Eugene Cernan was not the last, but he was the most recent.
5 0
2 years ago
Read 2 more answers
Calculate the density of a substance whose mass is 160,000kg and volume 20m
Semmy [17]
I’m assuming that’s m^3? If so then simply divide 160,000 by 20 and you get the answer.

8,000 kg/m^3
3 0
2 years ago
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