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melisa1 [442]
3 years ago
13

an asteroid flies close to the earth. gravity does what? A.repels the asteroid away from the earth. B. attracts the asteroid and

the earth to each other. C. makes the asteroid spin rapidly. D. causes the asteroid to explode.
Physics
1 answer:
Marysya12 [62]3 years ago
4 0
Due to the gravitational pull of earth the asteroid would be pulled towards earth, so the answer is B.
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A car travles a distance of 540km in 6 hours. What speed did it travel at?
Tju [1.3M]
Simply,
To figure out the speed the car traveled to get 540km from point A in 6 hours, You’d have to solve 540 divided by 6.
540 divided by 6 = 90

So the answer would be 90km per hour,
Assuming you want the answer in km.
4 0
3 years ago
Steve is planning his annual Spring Break road trip. He pulls out his map and draws out his route to visit the five locations th
Aleksandr [31]

Answer:

His average speed.

Explanation:

Average speed = Total distance travelled / total time .

In the given case odometer measures total distance travelled . Dividing it by time will give average speed .

Average velocity can not be the answer as it is measured by dividing displacement by time . Displacement here is zero because initial and final point are same . Instantaneous velocity is given by the speedometer . It keeps on changing all the time . It is actually speed at a particular point of time . It can not be average velocity or speed .

8 0
3 years ago
A rock dropped down a well takes 1.8 s to hit the water. How far below the top of the well is the surface of the water
Brut [27]

Answer: 15.87 m

From the equation of motion:

s=ut+\frac{1}{2}at^2

where, s is the distance traveled, u is the initial velocity, a is the acceleration and t is the time.

The rock free falls under gravity. Initial velocity, u=0 m/s, a=g=9.8m/s^2

It took t=1.8 s for rock to hit the water.

Substitute the values in the given equation:

\Rightarrow s=0+\frac{1}{2}9.8m/s^2\times(1.8s)^2=15.87 m

Hence, the water is 15.87 m below the top level of the well.

3 0
4 years ago
Which statement explains what happens to older crust during seafloor spreading?
ikadub [295]

Answer:

the last one, It moves away from a mid-ocean ridge.

6 0
3 years ago
An object in motion will have a speed which is a scaler , or ( blank ) which is a vector .
mylen [45]

Answer:

Velocity

Explanation:

Objects in motion usually have a speed which is scalar or velocity which is a vector.

A scalar quantity is one with magnitude but has no directional attribute.

A vector quantity is one with both magnitude and directional attribute.

Speed is a scalar quantity that describes the magnitude of motion a body accrues.

Velocity is a vector quantity that describes both the magnitude of motion and the direction of motion in a body.

3 0
3 years ago
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