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FinnZ [79.3K]
2 years ago
7

Gravitational potential energy is related to–A. what an object is made of. B.an object’s motion.C. an object’s position.D. an ob

ject’s color.
Physics
1 answer:
Bas_tet [7]2 years ago
7 0

Answer:

The Answer is B because the material the object is made of, the position, or the color have absolutely nothing to do with gravitational potential energy

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A stone is dropped into a well. The sound of the splash is heard 6.25 s later. What is the depth of the well? (Take the speed of
Naya [18.7K]

Answer:

depth of well is 163.30 m

Explanation:

Given data

speed of sound = 343 m/s

timer = 6.25 s

to find out

depth of well

solution

let us consider depth d

so equation will be

depth = 1/2 ×g ×t²    ..............1

and

depth = velocity of sound × time    .................2

here we have given time 6.25 that is sum of 2 time

when stone reach at bottom that time

another is sound reach us after stone strike on bottom

so time 1 + time 2 = 6.25 s

so from equation 1  and 2 we get

1/2 ×g ×t² = velocity of sound × time

1/2 ×9.8 × t1² = 343 × (6.25 - t1 )

t1 = 5.77376 sec

so height = 1/2 ×g ×t²

height = 1/2 ×9.8 × (5.773)²

height = 163.30 m

3 0
3 years ago
30 POINTS!!! CAN U AWNSER IT?? :)
solniwko [45]

Answer:

5235.84 kg

Explanation:

There is one theorem - whose proof I will never remember without having to drag calculus in there - that says that the variation of momentum is equal to the force applied times the time the application last.

F\Delta t = m \Delta v As long as the engine isn't ejecting mass - at this point it's a whole new can of worm - we know the force, we know the variation in speed, time to find the mass. But first, let's convert the variation of speed in meters per second. The ship gains 250 kmh, \Delta v = 69.4 m/s;

45 450 \cdot 8 = 69.4 m \rightarrow m = \frac{45450\cdot 8}{69.4} = 5235.84 kg

7 0
2 years ago
Climatology is a subspecialty of what?
m_a_m_a [10]

 Climatology is a subspecialty of Meterology.
3 0
3 years ago
Read 2 more answers
The greatest obstacle to developing solar energy is _____. lack of sunlight at high latitudes lack of sunlight at night lack of
KATRIN_1 [288]
The correct answer is option #4. The greatest obstacle to developing solar energy is large areas required to collect sufficient energy. Solar energy is the energy that is the sun is producing and being converted into thermal energy that can be used for everyone's daily lives.
3 0
3 years ago
Read 2 more answers
One of the frequencies used to transmit and receive cellular telephone signals in the United States is 985 MHz. What is the wave
tia_tia [17]

Answer:

approximately 304358

Explanation:

wavelength = speed / frequency

speed of an electromagnetic wave is 299,792,458 m/s in a vacuum

5 0
2 years ago
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