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satela [25.4K]
2 years ago
13

Smaller the surface area greater the gravitational force and vice–versa yes or no? justify the statement. ​

Physics
1 answer:
Sholpan [36]2 years ago
6 0

Answer:

It is true that Smaller the surface area greater the gravitational force and vice versa

Explanation:

The gravitational force depends on the distance between the two objects

F=GMm/r2

where G = gravitational constant

M = mass of one object

m = mass of second object

r is the distance between the two objects

Gravitational force is inversely proportional to the square of the distance between two objects. Hence, it can be said the Gravitational force is inversely proportional to the area and hence as the area increases gravitational force will decrease or vice versa

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A 1300 kg car traveling at 35 mph rear-ends a 1000 kg car traveling 25 mph. Just after the collision (but before the driver’s sl
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Answer

given,

before collision

mass of car A = m_a = 1300 kg

velocity of car A = v_a  = 35 mph

mass of car B = m_b= 1000 kg

velocity of car B = v_b  = 25 mph

after collision

V_a = 30 mph

V_b = 31.5 mph

Initial momentum

P_1 = m_av_a + m_b v_b

P_1 = 1300 \times 35+ 1000 \times 25

P_1 =70500 Kg.m/s

final momentum

P_2 = m_aV_a + m_b V_b

P_2 = 1300 \times 30+ 1000 \times 31.5

P_2 =70500 Kg.m/s

here  initial momentum is equal to the final momentum of the car.

hence, momentum is conserved in the collision.

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3 years ago
What happens when the nuclei of small atons are joined?​
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3 years ago
Answer these two questions please
Grace [21]
1.The answer is True
2.The answer is False
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3 years ago
A 0.07-kg lead bullet traveling 258 m/s strikes an armor plate and comes to a stop. If all of the bullet's energy is converted t
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Answer:

temperature change is 262.06°K

Explanation:

given data

mass = 0.07 kg

velocity = 258 m/s

to find out

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solution

we know here

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KE = 0.5 × 0.07 × 258²

KE = 2329.74 J

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2329.74 = 0.07 × 127 × ∆t

∆t = 262.06

so temperature change is 262.06°K

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A graduated cylinder full of a clear liquid and small pieces of white material with white fumes emerging from it. Which indicato
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Answer:

A

Explanation:

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