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shusha [124]
2 years ago
10

If you were exerting a lot of force to pull the sled at a 60° angle,

Physics
1 answer:
Lisa [10]2 years ago
3 0

No there is no work because here the given angle is 60° but as we know that The angle of force and displacement must be 90° in order to consider it as work.

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Deanna stirred a teaspoon of sugar into a glass of warm water. The sugar completely dissolved in the water. Select 3 statements
larisa [96]

Answer:

B, C, F

Explanation:

B: Sugar can be separated from the water by evaporating the water. This will leave large chunks of sugar.

C: Sugar gets spread out among the water.

F: Sugar water is a homogeneous <u>mixture. </u>Can't see the individual components because of the dissolving.

Hoped this helped! :)

8 0
3 years ago
3. What will happen to the black bass and blue gill as the floor of the ponds fills with organic
yKpoI14uk [10]

Answer: die

Explanation: oyxagan all goon bc of all dat suffs

8 0
3 years ago
5. Dry ice is an example of _________, which is the process of a solid turning directly into a gas. (1 point) precipitation melt
ki77a [65]
<span>5. Dry ice is an example of _________, which is the process of a solid turning directly into a gas. (1 point)

sublimation


6. The ____ is a unit of force. (1 point)

</span>n<span>ewton

7. Which of the following is the boiling point of water? (1 point)
 
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6 0
4 years ago
Help please I'll mark as brainliest for the first correct answer​
Alenkinab [10]

Answer:

first one i think is this. work = 1/2 kx^2 = 1/2 Fx

2nd, is 0.08 J

Explanation:

EE = ½ kx²

EE = ½ (400 N/m) (0.02 m) ²

EE = 0.08.

THIRD, Velocity of the stone is 4 m/s when it leaves catapult.

3 0
3 years ago
A particular roller coaster has a mass of 3500 kg, a height of 4.0, and a velocity of 12m/s. What is the potential energy? If ne
Evgesh-ka [11]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Gravitational Potential Energy of an object is calculated by formula ~

\large\boxed{\sf P = mgh}

where,

  • m = mass of the object = 3500 kg

  • g = Acceleration due to gravity = 12 m/s²

  • h = height attained by the object = 4 m

Now, let's calculate its potential energy ~

  • 3500 \times 10 \times 4

  • 140000 \:  \: joules

  • 140 \:  \: kj
5 0
3 years ago
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