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Sedaia [141]
2 years ago
15

What is the potential energy of a 10kg object sitting on a 2.5m high cliff

Biology
1 answer:
Sloan [31]2 years ago
5 0

Answer:

245.1663 Joules

Explanation:

Use the potential energy formula which is U=mgh

Where m=mass in Kg

g=gravitational acceleration: 9.80665 m/s^2

and h=height in meters

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What internal body parts help an owl hunt??
mars1129 [50]

Answer:

Talons

Explanation:

Talons are an owl's primary weapon for catching its prey. When an owl catches its prey, two of its talons go forward and two go backwards to ensure that when the prey is caught, it cannot escape.

4 0
3 years ago
Velocity calculation
svetoff [14.1K]
Answer choice: [C]:
_________________________________________

V = d / t  = 1800 mi / 40 min = 180 mi / 40 min = 45 mi / min .

Which very well could be "Answer choice: [C]:  45 m/min" ; except, this answer choice may have been written incorrectly—and should read:
                                                 "45 m/min."
________________________________________________________

Now, notice that all the answer choices given are in "meters" per (unit time—seconds or mins.

So, we need to convert:

45 mi.  to "meters", or "m".
______________________________________
Note the following conversions:
_______________________________________
 1 mi. = 1750 yd
______________________________________
3 ft. = 1 yd.
____________________________________

1 m = 3.2 ft.
_____________________

So, 1 mi. = ? m ;
_____________________
 1 mi * ( 1760 yd/ mi) * (3 ft / 1 yd) * ( 1m / 3.2 ft) = _?_  m ?
_____________________________________________________
On the "left hand side" , the units of  "mi", "yd", and "ft" ; cancel to "1" ;
  ____________________________________________________
    and we are left with:
______________________________________
[(1760 * 3)]  /  [(3)*(3.2)]   m  = (5280 / 9.6) m  =  550 m .
______________________________________________
So, we have:  550 m / min ; which match NONE of the answer choices.

However, it is possible that choices A or B, which are given in "m/sec" (meters per second); are among the correct choices.
____________________________________________

So, we convert:   550 m / min to:   "m / sec " ;
______________________________________
( 550 m/ min)*(1 min/ 60 sec) =  (550/60) m/sec = (55/6) m/ sec
                                                                                    = 9 1/6 m / sec .
_____________________________________________________
                                                                 which is:  None of the above.
______________________________________________________
                     Unless the answer choices were written incorrectly.




4 0
2 years ago
Research that seeks to understand the source of water pollution for given body of what is an example of applied science
Murrr4er [49]

Answer:

True

Explanation:

<em>Research that seeks to understand the source of water pollution for given body of what is indeed an example of applied science.</em>

Applied science is a branch of science that deals with the application of scientific knowledge to solve real-life problems.  This is as opposed to natural science which deals mainly with the physical world and is largely theoretical. <u>When the theoretical knowledge obtained from natural science is put to real use to solve existing problems, it is termed applied science. </u>

3 0
2 years ago
The condition of earth in 20 years
pochemuha

Answer:

badddd just look at NASA's 20-year time-lapse shows how Earth is changing

Explanation:

3 0
3 years ago
Read 2 more answers
Which organ helps to process essential proteins and minerals, so that they can then be taken through the bloodstream and to the
Serjik [45]
The answer is B)the stomach
6 0
2 years ago
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