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valkas [14]
3 years ago
14

A car is moving in a straight line with the same speed of 100 m/s ,the acceleration in this

Physics
1 answer:
Amiraneli [1.4K]3 years ago
4 0

Answer:

a = 0m/s²

Explanation:

Average acceleration = (change in velocity)/(time it takes). Since the car's change in velocity is zero, its acceleration is zero.

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Here is a graph of speed vs time. If the object is moving to the east, which BEST describes the speed and velocity of the graph?
Artemon [7]

Answer:

Both speed and velocity are changing.

Explanation:

They are both going up so both are changing

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What occurs when light bends while passing from one medium to another?
Levart [38]

Answer:So the answer is B

Explanation: When the light rays either bend or change their direction while passing from one medium to another it is called refraction of light. The refraction of light takes place when light travels from air into glass, from glass into air, from air into water or from water into air.

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What height would cause an object to have no gravitational potential energy
OverLord2011 [107]
The height is zero.
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A man walks 40 m North, then 70 m East and then 40
Anastasy [175]

Answer:

Displacement = 70 m towards east

Explanation:

Displacement is the shortest distance between the two points.

Let us say that he starts at the point O and travels in a path ABC.

If we join the initial and final point of the path travelled by him, it will give the displacement of the man.

Distance from O to A = 40 m

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Distance from B to C = 40 m

Distance from O to A = Distance from B to C

We want the displacement which is distance between the points O and C

In rectangle opposite sides are equal. Hence Distance from O to C = Distance from A to B

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Hope it helps,

Please mark me as the brainliest.

Thank you

4 0
3 years ago
Read 2 more answers
How to reduce friction of moving a heavy load .
Vilka [71]
● Use lubricants such as oil.
● Place the load on a piece of cloth as it can ease the friction
● Place the load on a cart with wheels so it can be converted to rolling friction and can be pushed easily.
● Place the load on an inclined plane
3 0
3 years ago
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