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coldgirl [10]
3 years ago
15

Why do objects that are thrown or shot follow a curved path

Physics
1 answer:
LenaWriter [7]3 years ago
8 0
The initial force of the throw overcomes gravity quite easily. Then, gravity begins to bring it back down to earth, making a curved path.

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sweet-ann [11.9K]

Answer:

it is letter C

there is a video explaining this

4 0
3 years ago
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Can someone help with numbers 5-8??
Keith_Richards [23]

5. Left

Explanation: centripetal acceleration is the acceleration that acts on an object which is moving by circular motion. The direction of the centripetal acceleration is always towards the centre of the circular trajectory: that means that for a car following a bend, the direction of the centripetal acceleration is towards the centre of the bend, and so it is towards the left if the bend is towards the left, and towards the right if the bend is towards the right.

In this example, the road in this bend is going to the left, so centripetal acceleration is toward the left as well.


6. Greater

Explanation: Inertia represents the tendency of an object at staying in motion if it is moving, and at staying at rest if the object is at rest. We can also see inertia as a measure of "how difficult it is" to put an object in motion. Due to this definition, we can also notice that inertia is directly proportional to the mass of the object: the greater the mass, the greater the inertia, because it is more difficult to put the object in motion.

So, in this example, the greater the boulder's mass, the greater inertia it has.


7. Direction

Explanation: displacement is a vector quantity that represents the difference in position between an object and a starting point. Because it is a vector, displacement consists of two elements:

- A magnitude, which is equal to the object's distance from the starting point

- A direction, again compared to the starting point

So, displacement depends on the object's distance and direction from the starting point.


8. Negative

Explanation: acceleration is defined as the rate of change of velocity; in formula:

a=\frac{v-u}{t}

where v is the final velocity, u the initial velocity, and t the time taken to accelerate from u to v. From the formula, we see that:

- When the final velocity (v) is greater than the initial velocity (u), acceleration is positive

- When the final velocity (v) is smaller than the initial velocity (u), acceleration is negative

In this problem, we have a car slowing down: it means that the final velocity is smaller than the initial velocity, so in this case acceleration is negative.

7 0
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You need eye drops for your dry eyes. You brought only a few dollars with you to the store. Which is the best method of choosing
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Explanation:

4 0
3 years ago
Part A: Explain why x = 5 makes 4x − 1 ≤ 19 true but not 4x − 1 < 19. (5 points) Part B: What value from the set {6, 7, 8, 9,
Elis [28]

Answer:

A: ≤ means less than OR equal to. < only means less than

B: 9

Explanation:

A: Because it would equal 19, and 19 is EQUAL than 19. 4(5) - 1 would equal 19, which is equal to 19, and not less than. ≤ means less than or equal to. < means less than. So its not true.

B: 47 - 2, 45. Then 5 x 9 equals 45. So 5 x 9 equals 45, then add 2 would equal 47.

Hope this helps <3

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What do you think we can learn about Earth's history by looking at the Grand Canyon?
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