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3 years ago

14

The lens system within a camera forms a _______ on the sensor. A. virtual, upright image B. real, inverted image C. r

eal, upright image D. virtual, inverted image

2 answers:

Rashid [163]3 years ago

7 0

B. The image on the film or sensor is real and inverted.

Lisa [10]3 years ago

5 0

The answer is virtual and inverted

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A student solving a physics problem for the range of a projectile has obtained the expression

Alika [10]

Answer:

The range of the projectile is 66.7 meters.

Explanation:

The range of a projectile is given by the following expression as :

$R=\dfrac{v_o^2\ sin2\theta}{g}$ ..............(1)

$v_o=37.2\ m/s$

$\theta=14.1^{\circ}$

$g=9.8\ m/s^2$

The range can be calculated using equation (1). Putting the values of all parameters we get :

$R=\dfrac{(37.2)^2\ sin2(14.1)}{9.8}$

R = 66.7 meters

So, the range of the projectile is 66.7 meters. Hence, this is the required solution.

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3 years ago

A place that is warm year round and near the equator would most likely have what type of climate?

ratelena [41]

It's geography,
tropical climate

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4 years ago

Which wave phenomenon allows the DVD player to work? absorption interference reflection refraction

Stells [14]

I think REFLECTION is the wave phenomenon that allows the DVD player to work.

See attachment to view the article I read that led me to my answer.

5 0

3 years ago

Read 2 more answers

Neptunium. In the fall of 2002, scientists at Los Alamos National Laboratory determined that the critical mass of neptunium-237

Paladinen [302]

Answer:

Radius = 9.0216 cm

Explanation:

Given that:

The critical mass of neptunium-237 = 60 kg

Also, 1 kg = 1000 g

So mass = 60000 g

Density = 19.5 g/cm³

Volume = ?

So, volume:

$Volume=\frac {{Mass}}{Density}$

$Volume=\frac {60000\ g}{19.5\ g/cm^3}$

The volume of the material = 3076.92308 cm³

The expression for the volume of the sphere is:

$V=\frac {4}{3}\times \pi\times {(radius)}^3$

$3076.92308=\frac{4}{3}\times \frac{22}{7}\times {(radius)}^3$

$\frac{4}{3}\times \frac{22}{7}\times {(radius)}^3=3076.92308$

$88\times {(radius)}^3=64615.38468$

${(radius)}=\sqrt[3]{\frac{64615.38468}{88}}$

<u>Radius = 9.0216 cm</u>

4 0

4 years ago

Amanda [17]

Answer:

The correct choice is A. Yes, the more exercise the better.

5 0

3 years ago