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3 years ago

In which item is energy stored in the form of gravitational potential energy?

Physics

2 answers:

antiseptic1488 [7]3 years ago

8 0

Answer:

An apple on a tree

Explanation:

Gravitational potential energy is defined as the energy possessed by the body due to its height from the ground level.

The formula for the potential energy is given by

PE = m g h

Where, m is the mass of object, g be the acceleration due to gravity and h be the height of object from the ground.

An apple on a tree has some height from the ground so it has gravitational potential energy.

nekit [7.7K]3 years ago

3 0

An apple in a tree is the answer

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Nuetrik [128]

Answer:

The leaf cells would be unable to convert the sun's energy to make food.

Explanation:

The chloroplast in the leaf are used to make food for the plant. If the leaf loses its chloroplast, the leaf with not be able to use solar energy to manufacture their food.

During photosynthesis, green plants manufacture their food.
They use sunlight to cause a reaction between carbon dioxide and water.
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3 years ago

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3 years ago

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Harman [31]

Explanation:

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3 years ago

An insect 1.1 mm tall is placed 1.0 mm beyond the focal point of the objective lens of a compound microscope. The objective lens

Pavlova-9 [17]

Answer:

Explanation:

For image formation in objective lens

object distance u = 14 +1 = 15 mm

focal length f = 14 mm .

image distance v = ?

lens formula

$\frac{1}{v} -\frac{1}{u} =\frac{1}{f}$

Putting the values

$\frac{1}{v} +\frac{1}{15} =\frac{1}{14}$

v = 210 mm .

B )

magnification = v / u

= 210 / 15

= 14

size of image = 14 x 1.1 mm

= 15.4 mm

= 15 mm approx

C )

For final image to be at infinity , image produced by objective lens must fall at the focal point of eye piece . so objective lens's distance from the image formed by objective must be equal to focal length of eye piece that is 21 mm .

21 mm is the answer .

D )

overall magnification =

$\frac{210}{15} \times \frac{D}{f_e}$

D = 25 cm , f_e = focal length of eye piece

= 14 x 250 / 21

= 166.67

= 170 ( in two significant figures )

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3 years ago

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MAXImum [283]

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