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adell [148]
2 years ago
10

Which of the following quantities is inversely proportional to the gravitational pull between two objects?

Physics
2 answers:
Contact [7]2 years ago
7 0

Answer:

C

Explanation:

Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces

I hope this helps a little bit

Ket [755]2 years ago
6 0

The correct Option is :

=》(C) The square of the distance that separates them

  • f  \:  \: \dfrac{1}{ \alpha }   \: \: r {}^{2}

where,

f = gravitational force

r = distance between the objects

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What would the weight of an astronaut be on Neptune if his mass is 68 kg and acceleration of gravity of Neptune is 11.15 m/s^2?
Dima020 [189]
Weight = Mass of object * Gravity of experimented place
Here, m = 68 Kg
g' = 11.15 m/s²

Substitute their values, 
w = 68 * 11.15
w = 758.2 N

In short, Your Answer would be 758.2 Newtons 

Hope this helps!
6 0
3 years ago
3.7 kg of a saturated water vapor at 0.4 MPa is isothermally cooled until it is a saturated liquid. Calculate the amount of heat
kirill115 [55]

Answer:

7.894 MJ

Explanation:

Given that:

The mass of the saturated water vapor = 3.7 kg

The pressure of the saturated water vapor = 0.4 MPa

From saturated properties of steam tables when the pressure is at 0.4 Mpa

The enthalpy in (kJ/kg);

hf = 604.7 kJ/kg

hg = 2738.1 kJ/kg

The rejected heat during this process is:

Q = m(hg - hf)

Q = 3.7(2738.1 - 604.7) kJ/kg

Q = 3.7(2133.4) kJ/kg

Q = 7893.58 kJ/kg

Q = 7.894 MJ

5 0
2 years ago
An object falls from rest at a rate of 10 m/s / s . How fast was it traveling after 5 seconds of fall?
Vesna [10]

Answer:

v = u + at \\ v = 10 + 9.81 \times 5 \\ v = 59.05m {s}^{ - 1}

7 0
2 years ago
2). If you record a wave going 4m/s and the Period of the wave was<br> 60s, how long was the wave?
Taya2010 [7]

Answer:240 meters

Explanation:60×4

8 0
3 years ago
A car is moving with the velocity of 90km/h. If the car come to rest after 10 seconds. Calculate the final velocity and distance
djyliett [7]

Answer:

you can learn from here

https://www.toppr.com/ask/en-bd/question/a-car-is-moving-with-a-velocity-of-10-ms-the-driver-sees-a-wall/

6 0
3 years ago
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