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storchak [24]
3 years ago
15

Plss s ss s s s s s s s s

Physics
2 answers:
Crazy boy [7]3 years ago
8 0

Answer:

i font know ewan madaling sabihin yan

hichkok12 [17]3 years ago
7 0
Hey, I’ll may be wrong but here it is!
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A motorcycle accelerates from a stop at a rate of 4m/s 2 for 20 seconds. It then continues at a
8_murik_8 [283]

After 20 s, the motorcycle attains a speed of

\left(4\dfrac{\rm m}{\mathrm s^2}\right)(20\,\mathrm s)=80\dfrac{\rm m}{\rm s}

and it continues at this speed for the next 40 s. So at 45 s, its speed is 80 m/s.

4 0
3 years ago
A girl and a boy pull in opposite directions on strings attached to each end of a spring balance. Each child exerts a force of 2
BabaBlast [244]

Answer:

yo they deleted my answer. The answer is 0N

Explanation:

so when two forces pull on an object from opposite sides with the same force (in this case its 20N), then the object is in equilibrium at 0N.

So its clear that there is one person on the the opposite side.

SOOO  generally<u>: (left or down) would be considered </u><u>negative</u><u> in an equation. And the other person  (right or up) would be considered </u><u>positive</u><u>.</u> So if both forces are the same numbers on opposite sides then the answer is 0 (if you add both of them).

<em>0 is the number of equilibrium.</em>

OK, so the equation would be -20N + 20N and then badda bing badda boom viola, the answer: 0N

thanks for coming to my TED talk. I hope they don't delete this answer.

5 0
3 years ago
Briefly describe the Rutherford atomic model
cricket20 [7]

Answer:

The Rutherford model was made by Ernest Rutherford, to describe a atom. That is a brief explanation

Explanation:

6 0
3 years ago
How long is the racetrack if it takes a racecar 3.4 s travelling at 75 m/s to finish?​
RSB [31]

Answer:

255 metres

Explanation:

The answer to thi question is actually quite simple. Since the car goes for 3.4 seconds, and it goes 75 metres every second, the answer is just 3.4 multiplied by 75 Metres.

5 0
3 years ago
Rock at the edge of a cliff has kinetic energy because of its position.<br> True<br> False
LenaWriter [7]

its false rock is at edge

8 0
3 years ago
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