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olasank [31]
4 years ago
6

Which of the following is a property of all periodic waves?

Physics
1 answer:
vivado [14]4 years ago
7 0

Answer: Option A. They follow a repeating pattern as they propagate

Explanation:

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To drive to the store from home, somebody first travels 5 km west, then they travel 5 km northwest. What is the straight line di
schepotkina [342]
Straight line distance between their home and the store can be solve using cosine law. first is solve the angle which is180 - 45 = 135 degree
C^2 = a^2 + b^2 - 2ab cos(135)c^2 = 5^2 + 5^2 - 2(5)(5) cos(135)c^2 = 85.35c = 9.24 km is the straight line distance between their home and the store
6 0
3 years ago
The mass of the sphere is 0.151 kg. What is the rotational inertia of the wheel
shusha [124]

Complete Question:

The mass of the sphere is 0.151 kg. What is the rotational inertia of the wheel? Recall that the radius of the sphere is about 0.312 m. Express your answer with three significant figures in Kg.m².

Answer:

I = 5.88*10⁻³ kg.m²

Explanation:

It can be showed that the rotational inertia (or moment of inertia) for a solid sphere of radius r and mass m, regarding any axis passing through the center of the sphere,  can be expressed as follows:

I = (2/5)*m*r² (1)

where m= 0.151 kg, and r =0.312 m. (Our givens).

Replacing in (1) we have:

I = (2/5)*0.151 kg*(0.312m)² = 5.88*10⁻³ kg.m²

7 0
4 years ago
Help pls lol and tysm
Zanzabum

Answer:

umm section 2 and 4

Explanation:

because at section 2 it starts and at section 4 it moves again and stops at 3.

7 0
3 years ago
Before proceeding into an intersection at a green signal, you should look out for:
Valentin [98]
B is correct but I’m not sure
6 0
3 years ago
Read 2 more answers
Which of the following terms describes a process for which Q = +450 J?
Sidana [21]

Answer:

Quantity of heat or heat energy

Explanation:

the quantity of heat is the calculation of the total quantity of thermal energy in an object. it's S.I unit is joules (J) and the symbol for calculating it is Q.

4 0
3 years ago
Read 2 more answers
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