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3 years ago

5

What is a convex lens?

2 answers:

Leona [35]3 years ago

6 0

<em>The convex lens is a lens that converges rays of light that convey parallel to its principal axis (i.e. converges the incident rays towards the principal axis) which is relatively thick across the middle and thin at the lower and upper edges. The edges are curved outward rather than inward.</em>

Lana71 [14]3 years ago

6 0

A lens bound by two spherical surfaces bulging outwards and a single piece of glass that curves outward and converges the light incident on it are both convex lenses

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In a marathon race, chad is out in front, running due north at a speed of 4.04 m/s. john is 96 m behind him, running due north a

Bad White [126]

I was looking for the answer of same question but I didn’t find it from any source so I went for online help and got the detailed answer at <span>www.solutioninn.com/in-a-marathon-race-chad-is-out-in-front-running</span>

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3 years ago

A jet lands on an aircraft carrier at 140 mi/h. What is its acceleration if it stops in 2.0 seconds?

sergejj [24]

Answer:

Acceleration, $a=-31.29\ m/s^2$

Explanation:

It is given that,

Initial speed of the aircraft, u = 140 mi/h = 62.58 m/s

Finally, it stops, v = 0

Time taken, t = 2 s

Let a is the acceleration of the aircraft. We know that the rate of change of velocity is called acceleration of the object. It is given by :

$a=\dfrac{v-u}{t}$

$a=\dfrac{0-62.58}{2}$

$a=-31.29\ m/s^2$

So, the acceleration of the aircraft is $31.29\ m/s^2$ and the car is decelerating. Hence, this is the required solution.

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4 years ago

The most expensive benefit is usually ______. a. life insurance b. retirement c. health care d. day care

ch4aika [34]

The answer is C. Health Care

3 0

4 years ago

Read 2 more answers

a bee flies 25m north of the hive, then 10m east, 5m west and 10m south. how far north and east of the hive is it now?

krok68 [10]

(25m north) + (10m south) = 15m north

(10m east) + (5m west) = 5m east

So the bee is now 15m north and 5m east of the hive.

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4 years ago

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If 1.8 1016 electrons enter a light bulb in 3 milliseconds, what is the magnitude of the electron current at that point in the c

Mice21 [21]

Answer:

I = 0.96 A

Explanation:

No of electrons, $n=1.8\times 10^{16}$

Time, t = 3 ms = $3\times 10^{-3}\ s$

We need to find the electric current. We know that electric charge per unit time is equal to the electric current.

$I=\dfrac{q}{t}$

q = ne (Quantization of electric charge)

$I=\dfrac{ne}{t}\\\\I=\dfrac{1.8\times 10^{16}\times 1.6\times 10^{-19}}{3\times 10^{-3}}\\\\I=0.96\ A$

So, the electric current is 0.96 A.

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3 years ago