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saw5 [17]
2 years ago
12

................,..........​

Mathematics
1 answer:
Pachacha [2.7K]2 years ago
4 0

Answer:

Ok, acceleration is the rate of change of velocity.

So if the velocity of one object changes, this means that the object is accelerating.

Also, remember that velocity is a vector, this means that has a direction, then if for example the direction of motion changes slightly we have acceleration.

A) The correct option is D, all the choices given are correct. (by definition of acceleration)

B)

If you have positive velocity, negative acceleration means that your velocity will decrease.

While if you have a negative velocity, negative acceleration will decrease your velocity, making it bigger in module, thus increasing your speed.

Then we can not say anything conclusive of what happens only knowing the sign of the acceleration.

Then the correct option is the trivial one "the object moves on a straight line". option D

C) Any unit that is the quotient between a distance unit and a squared time unit.

for example: m/s^2,  km/s^2, etc.

Here the correct option is A.

"meters per squared second" is equal to m/s^2

D) If you steep inside the carrousel you will not move in a straight line, this means that while your speed is constant, it is changing direction constantly, then you are accelerating.

The correct option is D.

C) Both motorcycles A and B are changing their speeds, while motorcycle C is changing its direction, then the 3 are accelerating.

The correct option is D

E) Assuming that the velocity of the jeepney is positive, if the jeepney speeds up, then it must have positive acceleration, then the correct option is: B

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SOMEONE PLEASE HELP! THANK YOU
Andrew [12]

Answer:

arithmetic; common difference; 8

Step-by-step explanation:

Let's first define arithmetic and geometric sequences:

<u>Arithmetic</u>:

Arithmetic sequences are made up of successive terms that share a common difference. In other words, if the sequence is, say: a, b, c, d, then we know that: d - c = c - b = b - a

<u>Geometric</u>:

Geometric sequences are made up of successive terms that share a common ratio. In other words, if the sequence is, say: e, f, g, h, then we know that:

h/g = g/f = f/e   (where the / denotes division)

Here, let's try applying the arithmetic sequence rule to the three terms:

2, 10, 18

18 - 10 = 8

10 - 2 = 8

Ah, we see that the common difference is indeed 8, so this is an arithmetic sequence.

Thus, the answer is: arithmetic; common difference; 8.

<em>~ an aesthetics lover</em>

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3 years ago
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3 years ago
Cheese has holes.
guapka [62]

Answer:

Yes.

Step-by-step explanation:

Lets say the first cheese has 1 hole, if you add more cheese it will have 2 holes. the more holes you have the less cheese you will have. if this continued you would eventually get less cheese.

4 0
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There are 20 entries in the chess tournament. How many ways can they finish in first, second,
Romashka [77]

Answer:

6840

Step-by-step explanation:

Here, the order matters (1st, 2nd, and 3rd), so we need to use permutations.

There are 20 people who can get in first place.  After that, there are 19 people who can get in second place.  Finally, there are 18 people who can get in third place.  So:

20 * 19 * 18 = 6840

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Answer:

20, 40, 60, 80, 100

Hope this helps! :)

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