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3 years ago

6

The tip of the fan blade is 0.61 m from the center of the fan. The fan turns at a constant speed and completes 2 rotation every

1.0s

1 answer:

Goryan [66]3 years ago

5 0

Answer:

What is the centripetal acceleration of the tip of the fan blade?

6.0 m/s2

48 m/s2

53 m/s2

96 m/s2

Answer is 96

Explanation:

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What statement is true according to newton’s first law of motion?

Airida [17]

Answer:

c. in the absence of an unbalanced force, an object at rest will stay at rest and an object in motion will stay in motion.

Explanation:

First law: things keep doing what they are doing, unless force is applied.

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3 years ago

A wave has a frequency of 60 Hz and a wavelength of 1.7 meters. What is the speed of this wave? equation, substitution

azamat

Answer:

v = 102 m/s

Explanation:

Given that,

The frequency of a wave, f = 60 Hz

Wavelength = 1.7 m

We need to find the speed of this wave. The formula for the speed of a wave is given by

$v=f\lambda$

Substitute all the values,

$v=60\times 1.7\\\\v=102\ m/s$

So, the speed of the wave is equal to 102 m/s.

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3 years ago

Describe how positive and negatives pairs will react?

oksian1 [2.3K]

Positive will react better together. But opposites will try to get as far away as possible.

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3 years ago

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Volgvan

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3 years ago

Find the initial velocity of a car which stops in 10sec, after applying brakes at the rate of 2m/s²

Dennis_Churaev [7]

Answer:

$20\ m/s$

Explanation:

Since we are given time, acceleration, and final velocity, we can use the following formula to find the initial velocity:

$v_f = v_i + at$

Our given values:

$v_f = 0\\a = -2\\t = 10\\$

<em>Acceleration is negative because the car is slowing down.</em>

Add the values to the formula, and solve for $v_i$ :

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3 years ago