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lilavasa [31]
3 years ago
12

The force of gravitation between two spherical bodies is Gm1 m2 /r2, where r is separation between their dash

Physics
2 answers:
valkas [14]3 years ago
8 0

Answer:

True

Explanation:

The law of gravitation states that all bodies attracts every other particle with a force proportional to the product of their masses & inversely proportional to the square of the distance between them.

AnnZ [28]3 years ago
6 0

Explanation:

F = Gm1m2/r^2

kya nikalna hai bhai isme

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In countries where there is very hot and very cold weather, should the gaps between the lengths of railway track be wider or nar
kipiarov [429]
They should be bigger as if it is hot the tracks will expand as it is made of metal and then there is more room for it to expand or contract
5 0
3 years ago
On a sunny summer day, why does a white car with a light-colored interior stay cooler than a black car with a dark-colored inter
Oduvanchick [21]

Answer: Solar radiation reflects off the lighter colours, away from the car, thus keeping the car cool

Explanation: This is because lighter colors reflect a good amount of radiation while darker colors absorb it. Just like, Antarctica hasn't completely melted because it reflects a lot of the heat that is acting upon it. Or, you notice that you get hotter when you wear a black shirt opposed to a white one.

8 0
3 years ago
Two metal spheres are suspended from strings. The
nikdorinn [45]

Answer:

B. A repulsive force of 8.0*10^3 N.

Explanation:

As we know by Coulomb's law that the electrostatic force between two charges is given as

F = \frac{kq_1q_2}{r^2}

here we know that

q_1 = -2 \times 10^2 C

q_2 = -4 \times 10^{-8} C

r = 3.0 m

now we have

F = \frac{(9 \times 10^9)(2 \times 10^2)(4\times 10^{-8})}{3^2}

F = 8000 N

since both charges are similar charges so they will repel each other by the force we calculated above so correct answer will be

B. A repulsive force of 8.0*10^3 N.

3 0
3 years ago
What conversion factor is used to convert 20 cm to m
Anastaziya [24]
The conversion factor you use is 100 cm = 1 m.
You can divide 20 by 100 to get the answer.
20 cm/100 cm =.2 m
Hope this helped!
7 0
3 years ago
PLEASE HURRY!!!
Vitek1552 [10]

Answer:

A.

Explanation:

X represents the transmitting power  Modulates (amplitude or frequency am/fm), amplifies the signal, transmitting it out at whatever direction the antenna is set up for.

5 0
3 years ago
Read 2 more answers
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