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Harlamova29_29 [7]
3 years ago
11

Silver, copper and

Physics
1 answer:
Harlamova29_29 [7]3 years ago
8 0

Answer:

the answer would be strongest because just took this question

Explanation:

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ANSWER ASAP
Galina-37 [17]

Answer:

I'm not great at science, but I believe that the answer is elastic potential energy.

Explanation:

Components of mechanical systems store elastic potential energy if they are deformed when forces are applied to the system. Energy is transferred to an object by work when an external force displaces or deforms the object.

6 0
3 years ago
An object is thrown upward with some velocity. If the object rises 77.5 m above the point of release, (a) how fast was the objec
jolli1 [7]

Answer:

v_o=39\ m/s\\t_m=4\ s

Explanation:

<u>Vertical Launch Upwards</u>

In a vertical launch upwards, an object is launched vertically up from a height H without taking into consideration any kind of friction with the air.

If vo is the initial speed and g is the acceleration of gravity, the maximum height reached by the object is given by:

\displaystyle h_m=H+\frac{v_o^2}{2g}

The object referred to in the question is thrown from a height H=0 and the maximum height is hm=77.5 m.

(a)

To find the initial speed we solve for vo:

\displaystyle v_o=\sqrt{2gh_m}

v_o=\sqrt{2\cdot 9.8\cdot 77.5}

v_o=39\ m/s

(b)

The maximum time or the time taken by the object to reach its highest  point is calculated as follows:

\displaystyle t_m=\frac{v_o}{g}

\displaystyle t_m=\frac{39}{9.8}

t_m=4\ s

7 0
3 years ago
How far will a rubber ball fall in 10 seconds?
Inessa [10]

If it's not moving at all at the beginning of the 10 seconds, then it falls 490 meters straight down in 10 seconds.

(Note: This is true of all objects on Earth . . . rubber balls, feathers, grains of sand, school buses, battle ships . . . everything.  As long as air doesn't hold them back.  Anything falling from rest falls 490 meters in the first 10 seconds.)

4 0
3 years ago
7. If your accelerator suddenly gets stuck what should you do?
Natasha2012 [34]
Go neutreal, turn blinkers on, then brake onto the side of the road.
4 0
3 years ago
What effect does urbanization have on land
GrogVix [38]
Urbanization can cause a lot of problems for nature such as pollution, global warming, and depletion of wildlife such as plants and animals.
6 0
3 years ago
Read 2 more answers
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