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MariettaO [177]
3 years ago
9

List at least three things that can happen as plate spread apart.

Physics
1 answer:
Nookie1986 [14]3 years ago
8 0
Centre of Mass then axis of rotation and then moment of inertia. This was the toughest question for your level... happy to help ^_^. It was purely experimental question.
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A baseball starts from rest and rolls 40.0 m down a hill in 10.0 seconds what is the acceleration
Stella [2.4K]
Acceleration is velocity over time. in order to find velocity, you divide distance over time
v =  \frac{d}{t}  =  \frac{40}{10}  = 4 \\ a =  \frac{v}{t}  =  \frac{4}{10}  = 0.4 \:  \frac{m}{ {s}^{2} }
3 0
3 years ago
A 300 gg bird flying along at 5.7 m/sm/s sees a 10 gg insect heading straight toward it with a speed of 29 m/sm/s (as measured b
liberstina [14]

Answer:

bird's speed  = 4.58 m/s

Explanation:

given data

mass of bird mb = 300 g

velocity of bird vb = 5.7 m/s

mass of insect mi = 10 g

velocity of insect vi = - 29 m/s

solution

here momentum of system is constant

we apply here conservation of momentum so

mb × v + mi × v = mb × vb + mi × vi   ....................1

v ( mb + mi ) = mb × vb + mi × vi  

put here value and we get

v ( 300 + 10 ) = { 300 × 5.7 }  +  { 10 × (-29) }

v = \frac{1710-290}{310}  

v = 4.58 m/s

8 0
3 years ago
A box with a mass of 2 kg only has four forces acting on it: One force of 16 N due East. One force of 24 N due South. One force
julsineya [31]

Answer:

The magnitude of acceleration is 3 m/s^2.

Explanation:

The net force along North-South direction is 18-24=-6 N.

The net force along East-West direction is 16-16=0 N

The net magnitude of force is square root of (-6)^2+0^2 which is 6 N.

By Newton's Second law,

Force F=ma

Therefore acceleration a=F/m

                                       a=6/2

                                       a=3 m/s^2

Learn more about Newton's second law.

brainly.com/question/13447525

#SPJ10

3 0
2 years ago
Read 2 more answers
You place the spring vertically with one end on the floor. You then lay a 1.60 kg book on top of the spring and release the book
malfutka [58]

Answer:

Compression in the spring, x = 3.7 cm

Explanation:

It is given that,

Mass of the book, m = 1.6 kg

It can be assumed the spring constant of the spring is, k = 840 N/m

As the book moves down, the change in potential energy of the book is converted to spring potential energy of compression. The mathematical expression is as follows :

\dfrac{1}{2}kx^2=mgx

x=\dfrac{2mg}{k}

x=\dfrac{2\times 1.6\ kg\times 9.8\ m/s^2}{840\ N/m}  

x = 0.037 meters

or

x = 3.7 cm

So, the spring is compressed to a distance of 3.7 cm. Hence, this is the required solution.

4 0
3 years ago
What is matter made of ? Will mark as brainliest to answer
Masja [62]

Answer:

Explanation:

All matter is made up of atoms, which are turned up of protons, neutrons and electrons.

They bond together to make up matter

8 0
4 years ago
Read 2 more answers
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