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cluponka [151]
3 years ago
14

The centripetal force acting on the moon continuously changes the ____________________ of the moon’s motion.

Physics
2 answers:
svlad2 [7]3 years ago
8 0
Changes the direction of the moons motion. 
Hatshy [7]3 years ago
7 0

Answer:

The centripetal force acting on the moon continuously changes the <u>Direction of Motion</u> of the moon’s motion.

Explanation:

As we know that the gravitational force of Earth on moon is towards the center of Earth and it is always perpendicular to the direction of velocity of moon

Since the force is always perpendicular to the velocity so it can neither increase the magnitude of the speed nor it can decrease the magnitude.

So here we can say the speed will remain same due to the force of the earth on moon .

Hence this force of earth will only change the direction of the motion of moon during its motion around the Earth.

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The most common type of dam is an impoundment hydroelectric plant, which consists of a dam across a river, and a reservoir (lake
Naya [18.7K]

Answer:

A turbine spins the water to generate electricity.

Explanation:

This is impoundment facility is called a hydro electric power dam, it is basically a big hydropower system which uses the dam to store river water in a reservoir. The water released from the reservoir flows directly through a turbine, the turbine spins it, which afterwards activates a generator to generate electricity.

6 0
3 years ago
Velocity ratio of a machine is 4 what does it mean​
Jlenok [28]

Answer:

It means that the velocity of the machine is 4

3 0
3 years ago
What happens when you dip open bottle in bucket full of water?why​?<br>chapter=pressure​
Degger [83]

Answer: It goes inside filling most of it .

Explanation: This happens because the bottle is empty and the bucket is full of water.

3 0
3 years ago
The mass of block B is twice the mass of block A, while the mass of the pulley is equal to the mass of block A. The blocks are l
marshall27 [118]

Answer:

C)the right cord pulls on the pulley with greater force than the left cord

Explanation:

As we can see the figure that B is connected to the right string while A is connected to the left string

Now force equation for B as it will move downwards is given as

(2m)g - T_B = (2m)a

similarly for block A which will move upwards we can write the equation as

T_A - mg = ma

now we know that pulley is also rotating so the tangential acceleration of the rope at the contact point with pulley must be same as that of acceleration of the blocks

so here pulley will rotate clockwise direction

So tension in the right string must be more than the left string

So correct answer will be

C)the right cord pulls on the pulley with greater force than the left cord

3 0
3 years ago
Two point charges, with charge magnitudes q and ????, are placed a distance r apart. In this arrangement, each point charge expe
sammy [17]

Answer:

1)  Q ’= 8 Q ,  2)    q ’= 16 q ,  3)   r ’= ¾ r

Explanation:

For this exercise we will use Coulomb's law

      F = k q Q / r²

It asks us to calculate the change of any of the parameters so that the force is always F

Original values

                q, Q, r

Scenario 1

      q ’= 2q

       r ’= 4r

     F = k q ’Q’ / r’²

we substitute

     F = k 2q Q ’/ (4r)²

     F = k 2q Q '/ 16r²

we substitute the value of F

      k q Q / r² = k q Q '/ 8r²

       Q ’= 8 Q

Scenario 2

       Q ’= Q

       r ’= 4r

we substitute

      F = k q ’Q / 16r²

      k q Q / r² = k q’ Q / 16 r²

      q ’= 16 q

Scenario 3

      q ’= 3/2 q

      Q ’= ⅜ Q

we substitute

        k q Q r² = k (3/2 q) (⅜ Q) / r’²

        r’² = 9/16 r²

        r ’= ¾ r

6 0
4 years ago
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