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Andrews [41]
3 years ago
12

What is SI unit of energy?​

Physics
1 answer:
DIA [1.3K]3 years ago
4 0

Answer:

the SI unir of enery is joule

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How can you increase the pressure on an object?
Cerrena [4.2K]
Increase the force on the object
8 0
2 years ago
A model train traveling at a constant speed around a circular track has a constant velocity
TiliK225 [7]
A model train traveling at a constant speed around a circular track has a constant velocity. FALSE.
Hope this helps you!

3 0
3 years ago
The index of refraction of a transparent substance is 1.7, and the speed of light in air is 3.00 · 108 s. Calculate the speed of
Natalija [7]
Given the index of refraction, n and speed of light in the vacuum, c, we can solve for the speed of light in the transparent substance by the equation below.
                                                n = c / v
where v is our unknown.
Substituting the known values,
                                            1.7 = (3 x 10^8 m/s) / v
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5 0
3 years ago
A 43-kg child sits in a massless swing. With what horizontal force must the seat be pulled so that the ropes form an angle of 35
GenaCL600 [577]

Answer:

F_x = 295.4N

Explanation:

180°-90°-35°= 55°

F= m(a)

F_y = 43kg(9.81m/s²)

F_y = 421.83N

tan(55°) = 421.83N/F_x

F_x = 421.83N/tan(55°)

F_x = 295.3685458N

7 0
3 years ago
Which of the following will help you stay motivated to achieve your goals?
Dimas [21]

Answer:

C. Post your goals in an obvious place

Explanation:

Being able to look at your goals and check in on the progress of those goals in a place you know where they are so there's no worrying if you might have forgotten one or two and or havent done them is a good way to stay active and keep motivated with your goals. Making notes or specifications on those goals and trying to think over goals is also something you should do. Ignoring or forgetting your goals because you didnt write them down or put them in a secure place can ruin motivation and make you tired cause keeping track of those goals become a chore.

7 0
2 years ago
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