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Nuetrik [128]
2 years ago
13

Here's another question!

Physics
2 answers:
KATRIN_1 [288]2 years ago
6 0

Answer:

<u>Organ</u>

Explanation:

Tissues make up organs which in turn forms the organ system.

Talja [164]2 years ago
6 0

Organ its the correct answer
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PLS HELP! If you are given force and distance, you can determine power if you know (2 points)
Lisa [10]

Answer:

C. Time

Explanation:

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2 years ago
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A 1.0 m string with a 5 g stopper on the end is whirled in a vertical circle. The speed of the stopper is 8 m/s at the top of th
Andrew [12]

Answer:

Explanation:

A )

At the bottom of the circle , the potential energy of the stopper is converted into kinetic energy

1/2 m V² = mg x 2r + 1/2 mv²

m is mass of stopper , V is velocity at the bottom , r is radius of the circular path which is length of the string , v is velocity at the top

1/2  V² = g x 2r + 1/2 v²

 V² = g x 4r +  v²

 V² = 9.8 x 4 +  8²

V² = 103.2

V = 10.16 m/s

B )

If T be the tension at the top

Net downward force

= mg + T . This force provides centripetal force for the circular motion

mg +T = mv² / r

T =   mv²/r -mg

= m ( v²/r - g )

= .005 ( 8²/1 -g )

= .005 x 54.2

= .27 N .

C ) At the bottom

Net force = T  - mg , T is tension at the bottom , V is velocity at bottom

T-mg = mV²/r

T = m ( V²/r +g )

= .005 ( 10.16²/1 +9.8)

= .005 x 113

= .56 N .

3 0
3 years ago
How do you change current in a circuit without changing the voltage?
Sunny_sXe [5.5K]

Decrease the reactance is the correct answer i believe

Explanation:

4 0
3 years ago
Which is greater - the average depth of the ocean, or the average elevation of the continents?
Elza [17]
The average depth of the ocean
8 0
3 years ago
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What is the direction of a vector with an x component of -12 m and a y component of 21 m?
Svet_ta [14]

Answer:

Direction= 119.74^\circ

Explanation:

<u>Displacement Vector</u>

The displacement, as every vector, has a magnitude r and a direction angle θ measured from the positive x-axis.

If we know the x-y components of the displacement, the magnitude and angle can be calculated by the equations:

r=\sqrt{x^2+y^2}

\displaystyle \tan\theta=\frac{y}{x}

The coordinates of the given vector are x=-12 m, y=21 m, thus:

\displaystyle \tan\theta=\frac{21}{-12}=-1.75

\theta=tan^{-1}(-1.75)=-60.26^\circ

Since the vector lies in the second quadrant, we add 180° to find the correct direction:

\boxed{Direction=-60.26^\circ+180^\circ= 119.74^\circ}

4 0
3 years ago
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