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IRINA_888 [86]
3 years ago
11

Whether microwaves are produced by rotational spectrum​

Physics
1 answer:
lara [203]3 years ago
5 0

Answer:

<h2>Occipital : from Latin occiput "back of the skull", from ob "against, behind" + caput "head". Distinguished from sinciput (anterior part of the skull).</h2>

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I think it’s D sorry If I’m wrong
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A bowler throws a bowling ball of radius R = 11 cm down the lane with initial speed v₀ = 7.5 m/s. The ball is thrown in such a w
salantis [7]

Answer:

a) t = 0.74s

b) D = 4.76m

c) Vf = 5.35m/s

Explanation:

The ball starts rolling when Vf = ωf*R.

We know that:

Vf = Vo - a*t

ωf = ωo + α*t

With a sum of forces on the ball:

Ff = m*a

\mu*N = m*a

\mu*m*g = m*a

a=\mu*g=2.9m/s^2

With a sum of torque on the ball:

Ff*R = I*\alpha

\mu*m*g*R = 2/5*m*R^2*\alpha

\alpha=5/2*\mu*g/R=65.9rad/s^2

Replacing both accelerations:

Vo - a*t=\alpha*t*R

7.5 - 2.9*t=65.9*t*0.11

t=0.74s

The distance will be:

D = Vo*t-1/2*a*t^2

D = 4.76m

Final velocity:

Vf=Vo-a*t

Vf=5.35m/s

7 0
3 years ago
Which of these is a benefit of replacing a coal-burning power plant with a
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A. Reduced greenhouse gas emissions.
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Newton first law of motion ?​
maw [93]

Answer:

The law of inertia

Explanation:

A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force

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Whose contributions to astronomy explained how planets were held in their orbits?
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