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Whitepunk [10]
3 years ago
10

What happens when a hockey puck slides on a perfectly frictionless surface?

Physics
1 answer:
oksian1 [2.3K]3 years ago
7 0
It will slide for ever in the same direction, unless it hits an object! Please give me the brainlest answer1
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If the Sun suddenly turned off, we would not know it until its light stopped coming. How long would that be, given that the Sun
Yuliya22 [10]

Answer:

8.33 minutes

Explanation:

First let us find out how much time it takes for the light for the sun to reach the earth

Distance between Earth and Sun is 1.5×10¹¹ m

Speed of light = 3×10⁸ m/s

\text{Time taken}=\frac{1.5\times 10^{11}}{3\times 10^8}\\\Rightarrow \text{Time taken}=500\ seconds

Converting to minutes

500\ seconds=\frac{500}{60}=8.33\ minutes

So, it takes 8.33 minutes for the light from the sun to reach Earth.

This means that we would be receiving light for 8.33 minutes after the Sun turned off.

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3 years ago
When a rubber band is pulled back on your finger but not yet let go how is that potential energy?
loris [4]
It is potential energy because the band is not in movement, th band has the potential to move.
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3 years ago
How many water (in kg) can raise its temperature from 23°C to 100°C by adding 21500 Joules of energy?
igomit [66]

Answer: Approximately 8.0g of water

Explanation:

4 0
3 years ago
Help !
Black_prince [1.1K]
First off, you need to know the weight of the projectile, lift and drag coefficients something like a high Reynolds number is preferred, then use the gravitational constant of 9.8 meters per second squared those would be a good start to get closer to your goal
7 0
3 years ago
Help meee!! PLZZZZ It's worth 20 points and if you get it right I will mark brainlist.
professor190 [17]

Answer: I Think it should be Mixture.

Explanation: Because titanium is a mixture and its only 1% of the 2nd option and its not a pure substance and it might be a compound.

4 0
2 years ago
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