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frosja888 [35]
3 years ago
7

When doing scientific research, the sources used should be

Physics
1 answer:
VMariaS [17]3 years ago
4 0
The answer is: RELIABLE
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A stone is thrown vertically straight up with a velocity of 2800cm/s . By neglecting the air resistance , find the maximum heigh
yarga [219]
We know that t=2.8571428571428568
and therefore 28*2.8571428571428568 - 9.8*2.8571428571428568^2/2
is around 40 m
6 0
3 years ago
How is work and energy inter-related?? (in simple words)​
matrenka [14]

Answer:

The work and energy is inter- related because if we are energetic then only we are able to work.

People who are weak and not energetic cannot work continuously.

Explanation:

hope this helps you....

4 0
2 years ago
R: Law of Conservation of Energy Pre-Write
Bad White [126]

Answer:

V at C is 3.6 m/s

Explanation:

At A kinetic energy is zero and potential energy=mgh=0.5*9.81*0.6=2.943 J

By conservation of energy.

KE+PE=Constant

At C PE=0.6 J

the KE=2.943-0.6=2.343 J

KE=0.5*m*v^2

v=√[KE/(0.5*m)]=3.06 m/s

3 0
3 years ago
Hahahahaha how do you give ppl brainliest
sergeinik [125]

Answer:

When you ask a question, only two people can answer. When there are two answers, a little crown should appear at the bottom right hand corner. All you have to do is click the crown and it gives Brainliest. But you can only give it to one person per question

Explanation:

8 0
3 years ago
An apple is initially sitting on the bottom shelf of a pantry. A hungry physics student picks up the apple to eat it, but change
andre [41]

Answer:

Zero

Explanation:

Work done is given by multiplying force and distance moved. The distance is moved both positive and negative and it's equal distance. Since force used is the same hence work

W=F*d+ (F*-d)=0

Therefore, total work done is zero

8 0
3 years ago
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