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Ksju [112]
3 years ago
12

What did newtons discover about gravity?

Physics
1 answer:
tatyana61 [14]3 years ago
5 0
He saw an apple falling from a tree. He deduced that the force that caused the apple to fall from the tree is the same force that causes the moon to orbit the Earth.
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An acetal polymer block is fixed to the rigid plates at its top and bottom surfaces. If the top plate displaces 2 mm horizontall
Taya2010 [7]

Answer:

The shear modulus of the polymer is 5 MPa

Solution:

As per the question:

displacement of the top plate, d = 2 mm = 0.002 m

Horizontal Force, P = 2 kN = 2000 N

Width of the block, w = 100 mm = 0.1 m

By small angle analysis:

Angle, \gamma = \frac{2}{200} = 0.01 rad

Now,

Stress, \tau = \frac{P}{Area} = \frac{2000}{0.4\times 0.1} = 50000 Pa

G = \frac{\tau}{\gamma} = \frac{50000}{0.01} = 5 MPa

3 0
3 years ago
What is the first step a scientist usually take to solve a problem?
trasher [3.6K]
Make prediction about what will happen certain circumstances
6 0
4 years ago
When the velocity of a moving object stays the same, it has a what speed?
Vera_Pavlovna [14]
If velocity is constant, then the object is moving
at constant speed in a straight line.
7 0
3 years ago
Can somebody please help with these
Sever21 [200]

Answer:

Fusion

Fission

Explanation:

The first problem describes a nuclear fusion process. In this process;

  • small atomic nuclei combines to form a larger one.
  • it is accompanied by a large release of energy
  • this energy provides the needed temperature to set up another light nuclei to fuse.

The second problem describes nuclear fission,

  • a heavy nuclide is bombarded with a neutron.
  • the product formed becomes unstable and subsequently breaks down.
  • This leads to a series of chain reactions until stability is attained.
6 0
3 years ago
If I Throw a bowling ball and a tennis ball from a building, describe if one would hit the ground first and why.
olga nikolaevna [1]

Answer:

The bowling ball would

Explanation:

Because it contains more weight! And that will make it fall down quicker.

Hope it helped

3 0
3 years ago
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