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dolphi86 [110]
2 years ago
13

A concave lens is used to form an image. The diagram shows three incident rays that pass the object and then reach the lens. How

does the lens affect the blue ray, which is incident on a path headed to the focal point on the right?
A. The ray bends outward on a path that traces back to the focal point on the left.

B. The ray bends so that it emerges from the lens travelling parallel to the axis.

C. The ray continues on its path and travels through the focal point on the right.

D. The ray bends outward on a path that traces back to the vertex of the lens.

Physics
2 answers:
levacccp [35]2 years ago
6 0
C, I think. Because it passes no point.
Liono4ka [1.6K]2 years ago
4 0
I believe the correct answer is c.
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engineers are using computer models to study train collisions design safer train cars. They start by modeling an elastic collisi
Archy [21]

Answer:

The final velocity of the second car is 57 m/s south.

Explanation:

This is an elastic collision between two train cars. In this case, the total kinetic energy between the two bodies will remain the same.

The formula to apply is :

m_1v_1i +m_2v_2i=m_1v_1f+m_2v_2f

where ;

m_1=mass of object 1\\v_1i=initial  velocity object1\\m_2=mass of object2\\v_2i=initial velocity object 2\\v_1f=final velocity object 1\\v_2f=final velocity object 2

Given in the question that;

m_1=14650kg\\v_1i=18m/s\\m_2=3825kg\\v_2i=11m/s\\v_1f=6m/s\\v_2f=?

Apply the formula as;

m_1v_1i +m_2v_2i=m_1v_1f+m_2v_2f

{14650*18}+{3825*11} = {14650 *6} + {3825 * v₂f}

263700+42075=87900 + 3825v₂f

305775 =87900 + 3825v₂f

305775-87900 = 3825v₂f

217875=3825v₂f

217875/3825 =v₂f

56.96 = v₂f

<u>57 m/s = v₂f { nearest whole number}</u>

4 0
2 years ago
Read 2 more answers
A hockey player uses her hockey stick to exert a force of 7.957.95 N on a stationary hockey puck, which is resting on a nearly f
Firlakuza [10]

Answer:

44 m/s^2

Explanation:

Force, F = 7.95 N

mass, m = 181 g = 0.181 kg

By use of Newton's second law

F = m x a

a = F / m = 7.95 / 0.181 = 44 m/s^2

Thus, the acceleration of the hockey puck is 44 m/s^2.

3 0
3 years ago
Choose the answer choice that BEST completes the following sentence.
Genrish500 [490]
I believe the coma is formed from the dust and gas from a comet.

Hope this helps!! :)
6 0
3 years ago
A runner is jogging in a straight line at a
oksano4ka [1.4K]

Answer:

13.28 km

Explanation:

The bird flies from the runner, to the finish line, and back to the runner.  We can write two equations for the distance it travels:

d = 8.3 km + 8.3 km − 8.6 km/hr × t

d = 34.4 km/hr × t

Solve for t in the second equation and substitute into the first:

t = d / 34.4

d = 8.3 + 8.3 − 8.6 (d / 34.4)

d = 16.6 − 0.25 d

1.25 d = 16.6

d = 13.28

The bird flies a cumulative distance of 13.28 km.

5 0
3 years ago
Define the following what are scavenger
aksik [14]

Answer:

an animal that feeds on carrion, dead plant material, or refuse.

Explanation:

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