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Serga [27]
3 years ago
13

As an astronaunt travels from the surface of the earth to a postion that is four times

Physics
2 answers:
allochka39001 [22]2 years ago
4 0

Answer:

Explanation:

Ostrovityanka [42]2 years ago
3 0

Answer: mass remains the same

Explanation:

My teacher gave me the answer

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An object weighing 49 N is dropped from a height of 30 m. It is found to be moving with a velocity of 24m/s just before it hits
faltersainse [42]

The  frictional force will be 0.22N.

<h3>What is Frictional force?</h3>

Frictional force is the force generated between two surfaces that are in contact and slide against each other.

Given,

Weight=4N

mass =4.9/9.8=0.5kg

Hieght =30m

velocity=24m/s

Acceration , v²-u²=2as

24²/2×30 =a , u is zero

 a= 1.5m/s²



By Using conservation  of energy ,

30F+1/2mv²=mgh

30F=1150-144

F= 6/30

F=0.2N

The force will be 0.2N

to learn more about Friction clickhttps://brainly.com/question/17608236

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6 0
2 years ago
Which of the following is an example of an incline plane? a) lever b)gear c)pulley d)screw
slega [8]
Gear because each spike is a wedge shape that adds a mechanical advatage
3 0
3 years ago
Read 2 more answers
Use the drop-down menus to identify the parts of DNA. Label A: Label B:
love history [14]

Label A:

Nitrogen bases

Label B:

Sugar-phosphate backbone

7 0
2 years ago
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What are the similarities and differences between novae and supernovae?
DochEvi [55]

Answer:

Explanation:

A novae in astronomy means an explosion in the white dwarf star which had tapped enough gas from a companion star,hence it releases an incredible amount of energy which is Over a million times brighter than it normal stars.

A super novae on the other hand is a cosmic explosion that can be a billion times brighter than the normal.

From this one can see that a perculiar similarity between a novae and super novae is that both generate huge explosion and bright Ness, and a major difference is super novae release huge amount of brightness and energy more than the novae

3 0
2 years ago
What are the colors that have lower energy than the color blue
lubasha [3.4K]
The colour that have lower energy than blue colour is colour red.
There is also a reason behind it.
3 0
3 years ago
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