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lyudmila [28]
2 years ago
12

What happens to light when it strikes a concave or convex lens?.

Physics
1 answer:
Kryger [21]2 years ago
4 0

Answer

figure it out are you d*mb

Explanation:

ha-ha

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Two football players are attempting to tackle each other. If one football player has a mass of 100 kg and pushes with a force of
Vaselesa [24]

Answer:

is it 20kg. Two opposing forces pushing onto each other

8 0
3 years ago
Astronaut Sarah leaves Earth in a spaceship at a speed of 0.280c relative to Earth. Sarah's destination is a star-system 12.5 li
Usimov [2.4K]

Answer:

L= 12 light years

Explanation:

for length dilation we use the formula

L=L_0\sqrt{1-\frac{v^2}{c^2} }

now calculating Lo

Lo = 12.5×365×24×3600×3×10^8

= 1.183×10^17 m

now putting the values of v and Lo in the above equation we get

L=1.183\times10^{17}\sqrt{1-\frac{0.28c^2}{c^2} }

= 1.136×10^17 m

L=  = \frac{1.136\times10^{17}}{365\times24\times3600\times3\times10^8}m

so L= 12 light years

8 0
3 years ago
What do understand by the efficiency of a machine? By using a block and tackel a man can raise a load of 720 N by an effort of 1
motikmotik

Answer:

Efficiency of a machine is how well the machine works and what the machine is capable of doing.

Mechanical advantage=Load/Effort.

720/180=4

6 0
3 years ago
Hey can anyone help me out in dis pls!
patriot [66]

Answer:

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Explanation:

3 0
3 years ago
Read 2 more answers
Cual es el deporte que le da fortaleza y flexibilidad al cuerpo
AlexFokin [52]

Answer:

Aesthetic sports

Explanation:

Aesthetic sports are the one's that need well-developed physical qualities such as strength, agility, stamina, flexibility, and technical knowledge and artistry, in addition to technical ability and artistry. Elite athletes in these sports generally have a low abdominal fat , and the ranking is subjective.

In aesthetic sports like gymnastics, swimming, and figure skaters, dynamic and proactive flexibility is required.

4 0
3 years ago
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