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KatRina [158]
2 years ago
9

What would happen if the distance between the earth and the moon decreased

Physics
2 answers:
makkiz [27]2 years ago
6 0
The gravitational force between earth and moon will increase.
by F = GMm/r^2
F is inversely proportional to r^2
when r decrease, F will increase.
borishaifa [10]2 years ago
4 0
<span>The moon would appear much larger in the sky. the moon directly affects the ocean tides. If it were much closer, the ocean would rise and flood coastal areas. If the moon were much farther away from Earth, then the ocean tides would quit and the oceans would stagnate, killing all plant and marine life. 

</span>
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Which of acceleration, age, speed, temperature, and velocity are vector quantities?.
ollegr [7]

Velocity and acceleration are vector quantities whereas speed, temperature and age are not.

<h3>What is a vector quantity?</h3>

Vector is a quantity that has both magnitude and direction and is represented by an arrow whose direction is same as that of the quantity and length is proportional to the quantity's magnitude.

Vector has magnitude and direction but it does not have position. Velocity and acceleration both are vector quantities as they have magnitude and direction.

If the speed of an object remains same but direction changes then the object is accelerating. It is important to remember that acceleration and velocity aren't always in the same direction.

To know more about vector quantity, refer

brainly.com/question/626479

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4 0
8 months ago
Each of 100 identical blocks sitting on a frictionless surface is connected to the next block by a massless string. The first bl
o-na [289]

Answer:

The tension in the string connecting block 50 to block 51 is 50 N.

Explanation:

Given that,

Number of block = 100

Force = 100 N

let m be the mass of each block.

We need to calculate the net force acting on the 100th block

Using second law of newton

F=ma

100=100m\times a

ma=1\ N

We need to calculate the tension in the string between blocks 99 and 100

Using formula of force

F_{100-99}=ma

F_{100-99}=1

We need to calculate the total number of masses attached to the string

Using formula for mass

m'=(100-50)m

m'=50m

We need to calculate the tension in the string connecting block 50 to block 51

Using formula of tension

F_{50}=m'a

Put the value into the formula

F_{50}=50m\times a

F_{50}=50\times1

F_{50}=50\ N

Hence, The tension in the string connecting block 50 to block 51 is 50 N.

8 0
3 years ago
Which of these is most likely a step in the formation of soil? a. erosion of soil b. crystallization of rocks c. animals digging
Lyrx [107]
<span>C. Measure the soil's volume and then the volume of water that the soil can absorb.</span>
7 0
2 years ago
Read 2 more answers
In which case does viscosity play a dominant role? Case A: a typical bacterium (size ~ 1 mm1 mm and velocity ~ 20 mm/s20 mm/s) i
My name is Ann [436]

Answer:

Case A

Explanation:

given,

size of bacteria = 1 mm x 1 mm

velocity = 20 mm/s

size of the swimmer = 1.5 m x 1.5 m

velocity of swimmer = 3 m/s

Viscous force

F = \eta A \dfrac{dv}{dx}

for the bacteria

F = \eta \times 10^{-6}\times 20\times 10^{-3}

F =2\times 10^{-8} \eta\ N

for the swimmer

F = \eta \times 1.5^2\times 3

F =6.75 \eta\ N

from the above force calculation

In case B inertial force that represent mass is more than the inertial force in case of bacteria.

Viscous force is dominant in case of bacteria.

So, In Case A viscous force will be dominant.

5 0
3 years ago
You are growing a little taller each year. What units could you use to measure how fast
vlada-n [284]

Answer:

inches and feet (or even centameters)

Explanation:

these are all common units used to measure height

6 0
2 years ago
Read 2 more answers
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