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sweet [91]
4 years ago
11

The focal length ____________ when the refractive index of the lens is increased and __________ when the curvature radius of the

lens is increased.
Physics
1 answer:
Ivenika [448]4 years ago
8 0
The focal length would likely decrease as the refractive index and the increase when the curvature radius of the lens increases. The decrease in focal length happens since a higher index of refraction would signify that the rays of the sun striking to an object would tend to bend more.
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Does every scientific method begin with an observation? explajn.
Alla [95]

yes, because you have to observe your experiment while doing it in case something goes wrong

8 0
3 years ago
What force accelerates a 500 kg object at 5 m/s2? A. 25000 N B. 2000 N C. 250 N D. 2500 N
alisha [4.7K]

Apply Newton's second law of motion:

F = ma

F = force, m = mass, a = acceleration

Given values:

m = 500kg

a = 5m/s²

Plug in and solve for F:

F = 500(5)

F = 2500N

Choice D

3 0
3 years ago
A white pool ball of mass 1.0 kg moving at 10 m/s collides with
solniwko [45]

The velocity of the red ball after the collision is 5.8 m/s

Explanation:

In absence of external forces on the system, we can apply the principle of conservation of momentum. The total momentum of the system must be conserved before and after the collision, so we can write:

p_i = p_f\\m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2

where:

m_1 = 1.0 kg is the mass of the pool ball

u_1 = 10 m/s is the initial velocity of the pool ball

v_1 = 3.0 m/s is the final velocity of the pool ball

m_2 = 1.2 kg is the mass of the red ball

u_2 = 0 is the initial velocity of the red ball

v_2 is the final velocity of the red ball

Solving the equation for v2, we find the final velocity of the red ball after the collision:

v_2 = \frac{m_1 u_1-m_1v_1}{m_2}=\frac{(1.0)(10)-(1.0)(3.0)}{1.2}=5.8 m/s

Learn more about collisions:

brainly.com/question/13966693#

brainly.com/question/6439920

#LearnwithBrainly

7 0
3 years ago
Suppose you go outside and look at three stars. Star A is blue, star B is white, and star C is red. Which star is the hottest, a
N76 [4]

Answer:irs a

Explanation:

8 0
4 years ago
Read 2 more answers
Mr. Mann's students were studying the properties of light in science class. He told them to put a pencil in a beaker of water, m
yawa3891 [41]

C) refract

Explanation:

When light passes from air into water, the light waves will bend or they refract and the pencil will appear to be broken.

In normal space, light travels along a straight path with no alteration of the path along which it travels.

  • When light crosses the boundary from a denser to a less dense medium, it is refracted.
  • Refraction implies that the angle of the light is bent.
  • This is because the new medium causes the light rays to slow down compared to the speed it was coming forth with.

Learn more:

Refraction brainly.com/question/12370040

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4 0
3 years ago
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