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3 years ago

What type of image results when the object is located between 2f (2 focal lengths) and f (the focal point) of a convex lens?

Physics

1 answer:

VikaD [51]3 years ago

4 0

Answer:

Explanation:

the image formed is real but inverted and magnified

you can remember it by R I M

hope this helps

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Gold has a specific heat of 129 J/kg°C. How many joules of heat energy are required

ikadub [295]

To raise 1 kg by 1C, it will take 129 joules.

To raise 0.015 kg by (85-22)C, it will take (129*0.015)*22 = 42.57 joules.

6 0

4 years ago

What are six reasons for having goals

ohaa [14]

Answer:

Without a goal, your efforts can become disjointed and often confusing

Helps you measure progress

Helps you stay motivated

Helps you beat procrastination

You Achieve More

Helps you determine what is important

Explanation:

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3 0

3 years ago

Find the components to write this vector in unit vector notation: 63.5 A please help

IrinaVladis [17]

Vector is perpendicular to x axis or i component.

Hence i component is 0

j component is 63.5

$\\ \sf\longmapsto \overrightharpoon{A}=0\hat{i} +63.5\hat{j}$

6 0

3 years ago

Could a mixture be made up of only elements and no compounds?

GaryK [48]

A mixture is made of (elements).

6 0

3 years ago

A single-turn circular loop of wire that has a radius of 3.5 cm lies in the plane perpendicular to a spatially uniform magnetic

Lena [83]

Explanation:

Given that,

Radius of the circular loop, r = 3.5 cm = 0.035 m

(a) During a 0.12-s time interval, the magnitude of the field increases uniformly from 0.2 T to 0.5 T. Due to the change in the magnetic field, an emf will induced in it. The magnitude of induced emf is given by :

$\epsilon=-\dfrac{d(BA)}{dt}\\\\\epsilon=-\pi r^2\dfrac{B_f-B_i}{dt}\\\\\epsilon=-\pi (0.035)^2\dfrac{0.5-0.2}{0.12}\\\\\epsilon=-9.62\times 10^{-3}\ volts$

So, the magnitude of the emf induced in the loop during the time interval is $9.62\times 10^{-3}\ V$ .

(b) The negative sign shows that the direction of induced emf in the loop is in anitclockwise direction.

5 0

3 years ago