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sertanlavr [38]
3 years ago
14

PLEASE HELP QUICKLY 13 POINTS +7 FOR BEST ANSWER!!! calculate the density of an object that has a mass of 3.0 g and a volume of

5.0 cm3. will the object float or sink when placed in water, which has a density of 1.0 g/cm3?
Physics
2 answers:
raketka [301]3 years ago
8 0
Density = 3/5 = 0.6g/cm^3. Since the density is less than the density of water, which is 1, the object will float.
Irina18 [472]3 years ago
8 0
Density = mass / volume.

D = 3/5 = 0.6 g/cm^3.

Anything whose density is less than the density of the fluid you drop it into will float in that fluid.
This object will float in water.
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A force of 58 newtons is applied to a crate at an angle of 32° with the horizontal. What is the value of force acting in the y–d
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4 0
3 years ago
1 point
marta [7]

Answer:

Let, R be the resistance of the heater wire. Since, two heater wires are of equal length their resistance is also same.

Hence, for series combination of resistances,

R

s

=2R

And for parallel combination of resistances,

R

p

=

2

R

Now, heat produced when they first connected in series is

H

s

=

R

s

V

2

where, V is voltage supplied to the heater.

H

s

=

2R

V

2

.....................................(1)

heat produced when they first connected in series is

H

p

=

R

p

V

2

H

p

=

2

R

V

2

H

p

=

R

2V

2

............................................(2)

From (1) and (2), we get

H

p

H

s

=

R

2V

2

2R

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2

⇒

H

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H

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=

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1

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3 years ago
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