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Karolina [17]
2 years ago
14

A hopper jumps straight up to a height of 1.1 m. With what velocity did it leave the floor?

Physics
1 answer:
Amanda [17]2 years ago
4 0

Answer:

4.64m/s

Explanation:

We can use the formula [ v = √2gh ] to solve for this problem. We know that g is constant acceleration (9.8), and h is height (1.1).

v = √2(9.8)(1.1)

v ≈ 4.64m/s

Best of Luck!

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Please help. Brainliest will be given! 25 points. Show all work.
Drupady [299]

Explanation:

Given:

v₀ₓ = 15 m/s cos 20° = 14.10 m/s

aₓ = 0 m/s²

v₀ᵧ = 15 m/s sin 20° = 5.13 m/s

aᵧ = -9.8 m/s²

t = 1.5 s

Find: Δx and Δy

Δx = v₀ₓ t + ½ aₓ t²

Δx = (14.10 m/s) (1.5 s) + ½ (0 m/s²) (1.5 s)²

Δx = 21.1 m

Δy = v₀ᵧ t + ½ aᵧ t²

Δy = (5.13 m/s) (1.5 s) + ½ (-9.8 m/s²) (1.5 s)²

Δy = -3.33 m

4 0
4 years ago
The study of anatomy and physiology assumes and describes a healthy body. Select the description below that does NOT explain why
galben [10]

Answer:

Explanation:

The question is incomplete. Here is the complete question.

The study of anatomy and physiology assumes and describes a healthy body. Select the description below that does not explain why this approach is useful.

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b) Study of a healthy body is less intimidating and more familiar to new students.

c) A healthy body establishes what normal is.

d) Study of a healthy body provides a foundation for a more complete understanding of all human bodies.

b) option is correct. That  study of a healthy body is less intimidating and more familier to new students.

5 0
3 years ago
What does the slope of a secant line represent?
Alexeev081 [22]

Answer:

A secant line is a straight line joining two points on a function. It is also equivalent to the average rate of change, or simply the slope between two points. The average rate of change of a function between two points and the slope between two points are the same thing.

Explanation:

Maybe this will help :)

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Kaylis [27]

Answer:

Increasing the area of their contact.

Explanation:

Just took the test and it was right.

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Cheetah mothers perform a number of different behaviors. They and their cubs stay in one place for only four days, moving on bef
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Answer:

Cheetah cubs are in danger from predators like lions and hyenas which can track their prey by scent and so the mother and her cubs leave an area when their scent is too strong so that they are not hunted and the cubs survive.

Mother Cheetahs also train their cubs to hunt so that they may get food for themselves which will ensure their survival as well thus showing that both of these practices can impact on reproductive success.

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