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e-lub [12.9K]
3 years ago
5

Bart ran 5000 meters from the cops and had an average speed of 6 meters/second before he got caught. How long did he run?

Physics
2 answers:
Aleks [24]3 years ago
8 0

Answer:

833.3 seconds

Explanation:

(t) 6 m/s = 5000/ t

6t/6 = 5000/6

t = 833.3 sec.

atroni [7]3 years ago
4 0

Answer:

thats is a long time

Explanation:

maybe 1 hour

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For this case, the switch is located at point B of the diagram.
 Remember that point D is the universal symbol for resistance.
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Calculate the intensity of current flowing through a computer that consumes 180W and operates at 120 V.
padilas [110]

Answer:

C) 1.5 A

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How is the percent efficiency of a machine determined?
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Since work is the change in kinetic energy, the efficiency of a machine can be stated as the percentage of the output work divided by the input work minus the work lost from to friction and heat. Multiply Eff by 100% to get the efficiency percentage.

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3 years ago
Is there a "real" simple machine that has an efficiency of 100%?
VARVARA [1.3K]

Answer:

NO

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8 0
3 years ago
An office window has dimensions 3.1 m by 2.1 m. As a result of the passage of a storm, the outside air pressure drops to 0.954 a
Virty [35]

Answer:

Net forces which pushes the window is 30342.78 N.

Explanation:

Given:

Dimension of the office window.

Length of the window = 3.1 m

Width of the window = 2.1 m

Area of the window = (3.1\times 2.1) = 6.51\ m^2

Difference in air pressure = Inside pressure - Outside pressure

                                           = (1.0-0.954) atm = 0.046 atm

Conversion of the pressure in its SI unit.

⇒  1 atm = 101325 Pa

⇒ 0.046 atm = 0.046\times 101325 =4660.95 Pa

We have to find the net force.

We know,

⇒ Pressure = Force/Area

⇒ Pressure=\frac{Force }{Area}

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⇒ Plugging the values.

⇒ Force =4660.95\times 6.51

⇒ Force=30342.78 Newton (N)

So,

The net forces which pushes the window is 30342.78 N.

3 0
3 years ago
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