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Paladinen [302]
3 years ago
15

The helicopter was deformed and destroyed in the _______ collision.

Physics
2 answers:
sweet-ann [11.9K]3 years ago
8 0
The type of collision shown is an inelastic collision. Collisions happen when two bodies in motion come in contact with each other. Inelastic collision are experienced when the momentum of each body is not conserved, therefore the bodies come to a complete stop.
ASHA 777 [7]3 years ago
7 0

There are two types of collision in physics which are named as elastic collision and inelastic collision.

Elastic collision is that type of collision in which both kinetic energy and momentum is conserved i.e total kinetic energy and momentum before collision is equal to the total kinetic energy and momentum after collision.As kinetic energy is conserved here,so less or ideally no damage occurs to the colliding bodies.

Inelastic collision is that type of collision in which only momentum is conserved but not kinetic energy .After the collision the kinetic energy is lost in forms heat,sound ,light etc.

Normally any deformation and destruction is due to the inelastic collision which results in the loss of kinetic energy.

Hence the helicopters were destroyed and deformed due to inelastic collision.

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A tennis ball bounces on the floor three times. If each time it loses 11% of its energy due to heating, how high does it rise af
aalyn [17]

Answer:

h = 3.10 m

Explanation:

As we know that after each bounce it will lose its 11% of energy

So remaining energy after each bounce is 89%

so let say its initial energy is E

so after first bounce the energy is

E_1 = 0.89 E

after 2nd bounce the energy is

E_2 = 0.89(0.89 E)

After third bounce the energy is

E_3 = (0.89)(0.89)(0.89)E

here initial energy is given as

E = mgH_o

now let say final height is "h" so after third bounce the energy is given as

E_3 = mgh

now from above equation we have

mgh = (0.89)(0.89)(0.89)(mgH)

h = 0.705H

h = 0.705(4.4 m)

h = 3.10 m

3 0
3 years ago
The modern periodic table has _<br> groups. (Write your answer as a number.)
g100num [7]

Answer:

the answer is eight(8)

8 0
2 years ago
Give an example of mass making a difference in the amount of gravitational energy. Tell how you know the gravitational energy is
Andreas93 [3]

Answer:

The Gravitational potential energy at large distances is directly proportional to the masses and inversely proportional to the distance between them. The gravitational potential energy increases as r increases.

Examples of Gravitational Energy

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Give an example of how you could make a measurement that is, at the same time, very precise and very inaccurate
LekaFEV [45]

Answer:

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3 0
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vector-force

scalar-mass

8 0
3 years ago
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