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maks197457 [2]
3 years ago
13

Will give brainliest, Pleaseee help!!!

Physics
1 answer:
puteri [66]3 years ago
5 0

Answer:

below

Explanation:

1.1115 im not sure tho

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Straw polls are___. A. scientifically based B. representative samples C. biased sampling D. cluster samples
soldi70 [24.7K]
Straw polls are considered to be a form of biased sampling. An example of a straw poll is an unofficial vote like who you would like to be the President without actually casting your ballot.
8 0
3 years ago
explain why cups of soup at a take away kiosk are often sold in white polystrene cups with a lid to stop spillage​
Talja [164]

Answer:

polystyrene is a good insulater so less heat will escape from the cup and it will keep it warm.

the cup helps it become more insulated

5 0
3 years ago
If x2 = 60, what is the value of x? plus or minus square root 30 plus or minus square root 60 ±30 ±120
Zielflug [23.3K]
X2 = 60
/ 2 / 2
x = 30
Plus or minus square root 60
4 0
3 years ago
What is frictional less pulley​
Talja [164]

Answer:

Conditions under which the belt and pulleys are operating – The friction between the belt and pulley may decrease substantially if the belt happens to be muddy or wet, as it may act as a lubricant between the surfaces.

Explanation:

I hope that this would be helpful

7 0
2 years ago
if the force moving an object points at least partially in the opposite direction of the objects motion, the work is considered
Bezzdna [24]

If the force moving an object points at least partially in the opposite direction of the objects motion, the work is considered to be negative.

<u>Explanation: </u>

Work done is the measure of displacements caused on an object by the amount of force acting on it. The work done can be positive or negative. If the direction of force acting on an object is along the direction of motion of the object then the work done is positive.

This is because, in this case the external force is helping the object to continue its state of motion. So, if the force acting on the object is in completely opposite or partially opposite direction to the direction of motion of the object, it will stop or slow down the motion of the object.

This kind of force will have negative direction to the motion of the object and hence the work done will also be negative.

7 0
3 years ago
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