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Nitella [24]
4 years ago
8

What it means to view something from a frame of reference. Give an example to illustrate your explanation

Physics
1 answer:
maks197457 [2]4 years ago
4 0
Frame of reference refers to something that is not moving with respect to an observer that can be used to detect motion. For the children on the bus, if they use other children riding the bus as their frame of reference, they do not appear to be moving. But if they use objects outside the bus as their frame of reference, they can tell they are moving.
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If each of the three rotor helicopter blades is 3.50 m long and has a mass of 120 kg , calculate the moment of inertia of the th
devlian [24]

Answer:

1470kgm²

Explanation:

The formula for expressing the moment of inertial is expressed as;

I = 1/3mr²

m is the mass of the body

r is the radius

Since there are three rotor blades, the moment of inertia will be;

I = 3(1/3mr²)

I = mr²

Given

m = 120kg

r = 3.50m

Required

Moment of inertia

Substitute the given values and get I

I = 120(3.50)²

I = 120(12.25)

I = 1470kgm²

Hence the moment of inertial of the three rotor blades about the axis of rotation is 1470kgm²

7 0
3 years ago
The Milky Way galaxy contains interstellar matter that may a. Form new galaxies b. Form new stars c. Form new universes D. Form
Nana76 [90]
I think the answer is D but I’m not sure
3 0
3 years ago
Acids and bases create solutions in ________
Irina18 [472]
Balance. acids and bases counteract each other on the PH scale.
8 0
4 years ago
It is estimated that 26 large pizzas are about right to serve 66 students of a physics club meeting. How many pizzas would be re
Brums [2.3K]

Answer:

The answer to your question is: 15 pizzas

Explanation:

data

26 large pizzas ------ 66 students

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The velocity of a car increases from 10 km/h to 50 km/h in 5 seconds. What is its acceleration?
mr Goodwill [35]

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Explanation:

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