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finlep [7]
3 years ago
13

Which of the following terms relate to the meaning of "physical"?

Physics
2 answers:
Ber [7]3 years ago
6 0

Answer:

Body

Matter

Explanation:

Physical means any thing that have some visual shape, size, color or odor. In the given options, body and matter are the physical things because they can be touched and can be felt in real. Natural laws,mind, emotions ,gravity and spirituality are assumed laws or hypothetical things which are universally accepted. These things have their effect, but we can not see them in real.

Vinil7 [7]3 years ago
3 0
Body
Natural laws



Hope I helped
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An object with a mass of 70 kilograms is supported at a height of 8 meters above the ground, what's the potential energy of the
Olegator [25]

Answer:

5488 Joules

Explanation:

Use the formula for the potential energy:

E_p = mgh = 70kg\cdot 9.8\frac{m}{s^2}\cdot 8m = 5488 J

6 0
3 years ago
using newtons law a force of 250N is applied to an object that accelerates at a rate of 5M/s2 what is the mass of the object?
AURORKA [14]

Answer:

50 kg

Explanation:

F = ma

250 N = m (5 m/s²)

m = 50 kg

7 0
3 years ago
what is the resistance of a car light bulb that conducts 0.025A current when connected to a 12V car accumulator? is the current
Sophie [7]

One form of Ohm's Law says . . . . . Resistance = Voltage / Current .

R = V / I

R = (12 v) / (0.025 A)

R = (12 / 0.025) (V/I)

<em>R = 480 Ohms</em>

I don't know if the current in the bulb is steady, because I don't know what a car's "accumulator" is.  (Floogle isn't sure either.)

If you're referring to the car's battery, then the current is quite steady, because the battery is a purely DC storage container.

If you're referring to the car's "alternator" ... the thing that generates electrical energy in a car to keep the battery charged ... then the current is pulsating DC, because that's the form of the alternator's output.  

7 0
3 years ago
If an electric current of 8.50 A flows for 3.75 hours through an electrolytic cell containing copper-sulfate (CuSO4) solution, t
muminat

Answer:

75.5g

Explanation:

From the ionic equation, we can write

CU^{2+}+SO^{2-}_{4}\\

next we find the number of charge

Note Q=it

for i=8.5A, t=3.75 to secs 3.75*60*60=13500secs

hence

Q=8.5*13500\\Q=114750C

Since one faraday represent one mole of electron which equal 96500C

Hence the number of mole produced by 114750C is

114750/96500=1.2mol

The mass of copper produced is

mol=\frac{mass}{molar mass} \\mass=mole*molar mass\\mass=1.2*63.5\\mass=75.5g

Hence the amount of copper produced is 75.5g

7 0
3 years ago
Read 2 more answers
A car driving on the highway is going 72mph After 3 hours how many miles will the car have driven ?
Sergeu [11.5K]

Answer:

216 miles

Explanation:

you times 72 by three

7 0
3 years ago
Read 2 more answers
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