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Rainbow [258]
3 years ago
13

How does an object’s motion change as a result of centripetal acceleration?

Physics
2 answers:
Juli2301 [7.4K]3 years ago
7 0

Answer:D

Explanation:

Just took the test on ed

MariettaO [177]3 years ago
5 0
The direction changes but not the speed.
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A current carrying wire is surrounded by a magnetic field. True or false
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The answer is true because A current carrying wire is surrounded by magnetic field
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How do birds manage to fly without flapping their wings?
nignag [31]
It's called gliding.
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How do we manage to stand without constantly walking? It's the same exact thing. 
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3 years ago
An engine converts 95% of its energy to mechanical. What happens to the other 5% of its energy?
Elza [17]

Answer:

Here, 5% of energy wasted as a heat lost or work done against frictional forces.

Explanation:

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6 0
3 years ago
1. I drop a penny from the top of the tower at the front of Fort Collins High School and it takes 1.85 seconds to hit the ground
ladessa [460]

The acceleration of gravity on Earth is  9.8 m/s² .
The speed of a falling object keeps increasing smoothly,
in such a way that the speed is always 9.8 m/s faster than
it was one second earlier.

If you 'drop' the penny, then it starts out with zero speed. 
If you also start the clock at the same instant, then

         After  1.10 sec,  Speed = (1.10 x 9.8) = 10.78 meters/sec


         After  1.85 sec,  Speed = (1.85 x 9.8) = 18.13 meters/sec

But you want this second one given in a different unit of speed.
OK then:

     =  (18.13 meter/sec) x (3,600 sec/hr) x (1 mile/1609.344 meter)

     =    (18.13 x 3,600 / 1609.344)  (mile/hr)  =  40.56 mph  (rounded)

We did notice that in an apparent effort to make the question
sound more erudite and sophisticated, you decided to phrase
it in terms of 'velocity'.  We can answer it in those terms, if we
ASSUME that there is no wind, and the penny therefore doesn't
acquire any horizontal component of motion on its way down.

With that assumption in force, we are able to state unequivocally
and without fear of contradiction that each 'speed' described above ...
with the word 'downward' appended to it ... does become a 'velocity'.

3 0
3 years ago
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