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Rudik [331]
3 years ago
10

Is gravity a field force

Physics
1 answer:
Alekssandra [29.7K]3 years ago
5 0
Yes, it is because gravity is a force of attraction to the center of our planet, Earth. If we drop a pencil, the pencil will go on the floor. Gravity is pulling the pencil down. 
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A sample of an unknown substance has a mass of 89.5 g. If 345.2 J of heat are required to heat the substance from 285 K to 305 K
Zinaida [17]

Heat gained in a system can be calculated by multiplying the given mass to the specific heat capacity of the substance and the temperature difference. It is expressed as follows:<span>

Heat = mC(T2-T1)
345.2 = 89.5(C)(305 - 285)
C = 0.1928 </span>J/g•K

7 0
3 years ago
Read 2 more answers
What is the resultant of the vectors shown?
ad-work [718]

Answer:

Option B

Explanation:

Option A is the wrong answer because the horizontal vector is in the opposite direction.

Option C is the wrong answer as the horizontal vector is in the opposite direction and all the vectors are connected head to tail [of the arrows] [Triangle law of vector addition]

Option D is the wrong answer as the horizontal vector is in the opposite direction.

5 0
2 years ago
If a green light shines on a red toy, the toy will look:
disa [49]
Not 100% sire but I think it'd be Yellow since we see red and green light together as Yellow
4 0
3 years ago
I got a new kitten and I dont know how to train them to use a leash. Can anyone help?
Lerok [7]
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7 0
3 years ago
Identify the procedure to determine a formula for self-inductance, or inductance for short. Using the formula derived in the tex
kompoz [17]

Answer:

L = 0.0319 H

Explanation:

Given that,

Number of loops in the solenoid, N = 900

Radius of the wire, r = 3 cm = 0.03 m

Length of the rod, l = 9 cm = 0.09 m

To find,

Self inductance in the solenoid

Solution,

The expression for the self inductance of the solenoid is given by :

L=\dfrac{\mu_o N^2 A}{l}

L=\dfrac{4\pi\times10^{-7}\times(900)^{2}\times\pi(0.03)^{2}}{0.09}

L = 0.0319 H

So, the self inductance of the solenoid is 0.0319 henries.

4 0
3 years ago
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