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grin007 [14]
3 years ago
12

HElp ASAP! Select all examples of vectors.

Physics
1 answer:
AVprozaik [17]3 years ago
7 0

Answer:

A . Force

C . Velocity .

D . Acceleration .

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The amount of water in reservoirs is often measured in acre-ft. one acre-ft is a volume that covers an area of one acre to a dep
levacccp [35]
(43,560 ft^2/acre) x 22 acre-ft = 958,320ft^3/acre. 
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3 years ago
1. An elephant has more inertia than a mouse.<br><br> Is this:<br> true<br> false
hichkok12 [17]
True
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3 0
3 years ago
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A spotlight on the ground is shining on a wall 24m away. If a woman 2m tall walks from the spotlight toward the building at a sp
Lubov Fominskaja [6]

Answer:

\dfrac{dy}{dt}=-0.059\ m/s

Explanation:

It is given that,

Distance between the spotlight and the wall, y = 24 m

Height of the woman, h = 2 m

The woman walks toward the building at the rate of 0.6 m/s, \dfrac{dx}{dt}=0.6\ m/s

In the attached figure, triangle ABC and MNC are similar. So,

\dfrac{2}{y}=\dfrac{x}{24}............(1)

y=\dfrac{48}{x}

When she is 2 meters from the building. So x = 24-2 = 22 m

y=\dfrac{48}{22}=2.18\ m

Differentiating equation (1) i.e.

xy=48

x.\dfrac{dy}{dt}+y.\dfrac{dx}{dt}=0

22.\dfrac{dy}{dt}+2.18\times 0.6=0

\dfrac{dy}{dt}=-0.059\ m/s

So, her shadow is decreasing at the rate of 0.059 m/s. Hence, this is the required solution.                                

7 0
4 years ago
Will give brainlist and many points.
romanna [79]

Answer:

They create enormous amounts of sound energy, much like explosion. When an aircraft passes through air, it creates a series of pressure waves just like the waves created by the boat. As the speed of aircraft increases these waves are forced to compress.

3 0
3 years ago
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Identify two objects at your desk, and describe each using at least 5 physical properties of matter that were discussed in this
velikii [3]

Answer:

the pencil i have on my desk is hard

Explanation:

i dont have 5 but here is one

8 0
3 years ago
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