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Mademuasel [1]
3 years ago
10

To calculate work done on an object, _____. A. multiply the force in the direction of motion by the distance the object moved B.

multiply all forces applied to the object by the distance the object moved C. divide the force in the direction of motion by the distance the object moved D. divide the distance the object moved by the force in the direction of motion
Physics
2 answers:
o-na [289]3 years ago
6 0
I believe your answer would be B, hope it helps

SIZIF [17.4K]3 years ago
3 0
I know the answer, I have the answer in my notes but I forgot it, I'll check soon. But for now, I'd go with A.
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3 years ago
a certain projetor uses a concave mirror for projecting an object's image on a screen .it produces on image that is 4 times bigg
IrinaK [193]

Answer:

f = 1 m

Explanation:

The magnification of the lens is given by the formula:

M = \frac{q}{p}

where,

M = Magnification = 4

q = image distance = 5 m

p = object distance = ?

Therefore,

4 = \frac{5\ m}{p}\\\\p = \frac{5\ m}{4}\\\\p = 1.25\ m

Now using thin lens formula:

\frac{1}{f}=\frac{1}{p}+\frac{1}{q}\\\\\frac{1}{f} = \frac{1}{1.25\ m}+\frac{1}{5\ m}\\\\\frac{1}{f} = 1\ m^{-1}\\\\

<u>f = 1 m</u>

6 0
2 years ago
On a topographic map, contour lines create a group of concentric, closed loops. Which of the following features could this indic
posledela

Answer:

b. Hill top

Explanation:

On a topographic map, the closed circles are meant to represent a hill. So if the contour lines are creating a group of concentric closed loops then it must be an indication of a hill.

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HOPE THIS HELPS!
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3 years ago
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