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Arada [10]
2 years ago
12

Pls help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Physics
1 answer:
KatRina [158]2 years ago
4 0

Answer:

Its answer d honey

Explanation:

Plzzzzzzz give 5 stars

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3 years ago
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Jessica stretches her arms out 0.60 m from the center of her body while holding a 2.0 kg mass in each hand. She then spins aroun
Juliette [100K]

Answer:

a.) L = 2.64 kgm^2/s

b.) V = 4.4 m/s

Explanation: Jessica stretches her arms out 0.60 m from the center of her body. This will be considered as radius.

So,

Radius r = 0.6 m

Mass M = 2 kg

Velocity V = 1.1 m/s

Angular momentum L can be expressed as;

L = MVr

Substitute all the parameters into the formula

L = 2 × 1.1 × 0.6 = 1.32kgm^2s^-1

the combined angular momentum of the masses will be 2 × 1.32 = 2.64 kgm^2s-1

b. If she pulls her arms into 0.15 m,

New radius = 0.15 m

Using the same formula again

L = 2( MVr)

2.64 = 2( 2 × V × 0.15 )

1.32 = 0.3 V

V = 1.32/0.3

V = 4.4 m/s

Her new linear speed will be 4.4 m/s

4 0
2 years ago
Please help :)<br><br><br> Microwaves are transmitted by ....... ?
Dima020 [189]
Microwaves are transmitted by Radio Waves.
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3 years ago
Kinetic energy problemset
Sonja [21]

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If 8000 C of charge pass through a section of wire in 2 minutes, what would the current be?
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Explanation:

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