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Lesechka [4]
3 years ago
15

Which of the following statements is

Physics
2 answers:
ladessa [460]3 years ago
8 0
I’m pretty sure it’s B

B: If an object has mass, it has gravity.
myrzilka [38]3 years ago
3 0
The answer is B........
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Answer:

The ball thrown downward

Explanation:

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The two blocks in oscillate on a frictionless surface with a period of 1.5 s. The upper block just begins to slip when the ampli
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Answer:

0.72

Explanation:

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w = \frac{2\pi }{T}\\w = \frac{2(3.14) }{1.5}\\w = 4.2 rad/s

A = Amplitude of oscillation = 40 cm = 0.40 m

\mu = Coefficient of static friction = ?

a = acceleration of the block

m = mass of the block

Maximum acceleration of the block is given as

a = Aw^{2}

frictional force is given as

f = \mu mg

As per newton's second law

f = ma \\\\\mu mg = ma \\\mu g = a\\\mu g = Aw^{2}\\\mu (9.8) = (0.40)(4.2)^{2}\\\mu = 0.72

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The waste products of a nuclear fusion power plants can be best described as
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They can be described as small in quantity and very dangerously radioactive.

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It opens or close the circuit​
gayaneshka [121]

Answer:

The person above me is right i had a test a couple of days ago and thats kinda what u put and got it right!

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