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Luba_88 [7]
2 years ago
7

Give an example of a force applied to an object that does not change the object's velocity. Why does the object's velocity not c

hange
Physics
1 answer:
Xelga [282]2 years ago
8 0

Answer:

A chair at rest on the floor has two forces acting on it its own weight that pulls it downward and the floor pushing upward on the chair, both of these forces are acting on it but the net force is 0, so the chair remains at rest and its velocity stays at 0.

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Explain how the principle of uniformitarianism would help geologists determine the source of a layer of particular igneous rock
HACTEHA [7]

Explanation:

The principle of uniformitarianism was proposed by James Hutton, a Scottish geologist to explain geologic processes and how they relate in space.

According to the principle "the present is the key to the past and geologic process occurring today have occurred in times past. ".

  • Saddled with this knowledge, geologists can understand and unravel how rocks form and how the earth has been sculpted.
  • Today, in some places on earth, we see volcanic activities.
  • Such a place is on the Hawaiian Islands where hot plumes are coming to the surface.
  • In like manner, the lava cools and solidifies to form new volcanic basalt.  
  • Using this knowledge, any geologist can unravel any igneous rock.
  • From the activities in Hawaii, we know that past igneous rocks must have been formed by the cooling and solidification of magma.
  • This the tenet of the uniformitarian principle.

learn more:

Continental drift brainly.com/question/5002949

#learnwithBrainly

8 0
3 years ago
What does the odometer of an automobile measure? Which of the following is moving faster? Justify your answer.
snow_tiger [21]
The odometer of an automobile measures the distance travelled by the vehicle. the car(b) is moving faster.
This can be explained as follows:
In order to compare the speed of both the vehicles and determine which one is moving faster, the speed of both the vehicles should be represented by the same unit.
Speed of scooter = 300 m/min
Converting this to km/hr,
Distance travelled by the scooter in 1 min= 300 m
Therefore, distance travelled by the scooter in 60min( or 1 hr ) = 18000m = 18 km
Speed of the car= 36 km/hr
Since the car travels a greater distance in 1 hr , we can say that it is moving faster.

Read more on Brainly.in - https://brainly.in/question/3796417#readmore
6 0
4 years ago
How does a centripetal force cause circular motion
Aleksandr-060686 [28]
This acceleration is directed towards the center of thecircle<span>. ... So for an object moving in a </span>circle<span>, there must be an inward </span>force<span> acting upon it in order to</span>cause<span> its inward acceleration. This is sometimes referred to as the </span>centripetal force<span> requirement.</span>
8 0
3 years ago
Read 2 more answers
Sometimes a board may have an extra pcie power connector. this connector comes in what two different pin numbers?
Flura [38]

I'm thinking it is BIOS and UEFI. If it's not it, I'm very sorry

3 0
3 years ago
The range of human hearing is roughly from twenty hertz to twentykilohertz. Based on these limits and a value of 305 m/s for the
AnnyKZ [126]

Answer:

1.L_s=0.0076\ m

2.L_l=7.62\ m

Explanation:

Given that

f₁= 20 Hz

f₂= 20 KHz

C= 305 m/s

For open pie organ :

L=\dfrac{C}{2f}

<u>Shortest length :</u><u> </u>

L_s=\dfrac{C}{2f_2}

L_s=\dfrac{305}{2\times 20000}

L_s=0.0076\ m

<u>Longest length : </u>

L_l=\dfrac{C}{2f_1}

L_l=\dfrac{305}{2\times 20}

L_l=7.62\ m

7 0
3 years ago
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