What is the largest speed this projectile can have without causing the cable to break?

Answers

Answer 1

Answer: What projectile ?
What cable ?

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Carbon and hydrogen are examples of pure substances or

Answers

Answer:

Elements

Explanation:

Carbon and Hydrogen are pure substances or elements. All the atoms of carbon have same number of protons. It cannot be broken into new elements.

Contrary to elements, there are compounds which are formed by the chemical bonds between two or more elements like in water. In water, Hydrogen and oxygen elements combine. All the atoms of water do not have the same number of protons. Then, there are mixtures where elements are not chemically bound. For example, air.

The are elements on the periodic table

The basic building block of life is

Answers

The basic building block of life is molecules, more specifically macromolecules. There are four different macromolecules which could all be described as the building blocks of life, namely carbohydrates, proteins, nucleic acids and proteins.

Light enters water from air at an angle of 25° with the normal, Θ1. If water has an index of refraction of 1.33, determine Θ2.A) 18.5°
B) 34.2°
C) 31.8°
D) 71.5°

Answers

By Snell's law:

η = sini / sinr. i = 25, η = 1.33

1.33 = sin25° / sinr

sinr = sin25° / 1.33 = 0.4226/1.33 = 0.3177 Use a calculator.

r = sin⁻¹(0.3177)

r ≈ 18.52°

Option A.

God's grace.

As you jump on a pogo stick where is the potential energy the greatest?

Answers

The potential energy would be greatest at the highest point of the jump; the kinetic energy equaling 0.

Please help me with this practice question

Answers

the answer is c hopes this helps

Compare the sounds produce by wave A and wave B. The human ear would hearA) wave A as a louder sound than wave B.

B) wave A as a higher pitched sound than wave B.

C) wave A and B with the same pitch, but wave A as louder.

D) wave B as a louder and higher pitched sound than wave A.

Answers

The right answer for the question that is being asked and shown above is that: "wave B as a louder and higher pitched sound than wave A." Compare the sounds produce by wave A and wave B. The human ear would hear wave B as a louder and higher pitched sound than wave A.

Answer:

It's A

Explanation:

The human ear would hear wave A as a louder sound than wave B. Wave A has a greater amplitude than wave B. That is perceived as a louder sound. Wave B has a higher frequency; that would be perceived as a higher pitch.

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