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anyanavicka [17]
2 years ago
13

According to the universal law of gravitation _____.

Physics
2 answers:
Elodia [21]2 years ago
8 0

The correct answer is:

a. everything has a gravitation force because everything has mass

In fact, the universal law of gravitation states that every object with mass M exerts an attractive, gravitational force to any other object with mass m, and the size of this force is given by:

F=G\frac{Mm}{r^2}

where G is the gravitational constant, and r is the distance between the two objects.

KiRa [710]2 years ago
6 0
According to the universal law of gravitation, all particles attract every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. So the answer here would be, 

a. everything has a gravitational force because everything has mass.
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A 1300 kg car traveling with a speed of 3.5 m/s executes a turn with a 8.5 m radius of curvature.
Y_Kistochka [10]

Answer:

1.4 m/s/s (2.s.f)

Explanation:

The formula for centripetal acceleration is:

a=\frac{v^{2} }{r}, where v is velocity and r is the radius.

In the question we are given the information that the car has a mass of 1300kg, a velocity of 2.5m/s, and a turn radius of 8.5m which are all the values we need. Therefore we can simply substitute in the values to solve the question:

a=\frac{3.5^{2} }{8.5} \\a=1.4

Therefore the centripetal acceleration of the car is 1.4m/s/s. (2.s.f)

Hope this helped!

7 0
3 years ago
Students in a lab are doing experiments involving the motion of objects. They pull an object across a table and use
Svetlanka [38]

Answer:

Explanation:

Did you ever end up getting an answer? Or like did you find out which segment it was?

5 0
2 years ago
Magnetic pole reversal worksheet
Likurg_2 [28]
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8 0
3 years ago
As an airplane leaves the runway and goes into the air, has acceleration occurred?
malfutka [58]
A, yes because the plane is using air resistance and acceleration is increasing while it goes up. Although you don’t know speed, still yes.
6 0
2 years ago
The spaceship Intergalactic landed on the surface of the uninhabited Pink Planet, which orbits a rather average star in the dist
max2010maxim [7]

Answer:

<em>18808.7 m/s^2</em>

Explanation:

Given

Length of the pendulum L = 1.44 m

Number of complete cycles of oscillation n = 1.10 x 10^2

total time of oscillation t = 2.00 x 10^2 s

The period of the T = n/t

T = (1.10 x 10^2)/(2.00 x 10^2) = 0.55 ^-s

The period of a pendulum is gotten as

T = 2\pi \sqrt{\frac{L}{g} }

where g is the acceleration due to gravity

substituting values, we have

0.55 = 2\pi \sqrt{\frac{1.44}{g} }

0.0875 = \sqrt{\frac{1.44}{g} }

squaring both sides of the equation, we have

7.656 x 10^-3 = 144/g

g = 144/(7.656 x 10^-3) = <em>18808.7 m/s^2</em>

3 0
3 years ago
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