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astra-53 [7]
3 years ago
14

When you shift your focus, everything you see is still in perfect focus. True or false

Engineering
2 answers:
denpristay [2]3 years ago
5 0

Answer:

true

Explanation:

true

MAXImum [283]3 years ago
5 0

Answer:

I believe this is true

Explanation:

If your looking at something and you look at something else everything is still in perfect view and clear, in focus.

hope this helps :)

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What is the best reason a scientist might use a model to represent the solar system?
uranmaximum [27]
So they can grasp a better understanding! good luck
3 0
3 years ago
An example of organisms and energy crossing ecosystem boundaries.
aniked [119]
Good afternoon!

An example can be migrating salmon moving material across ecosystem boundaries.
4 0
3 years ago
Give an example of a model code.
Zanzabum

Answer:

Model codes are the codes which used to change the location of a machine from one place to other place to perform specific task.g and M are the model codes which used in machines.

Ex:

 G0 ,G1 , G2 ,G80 ,G81 ...              For motion      

  G17 ,G18 , G19                            For planer selection

 Mo ,M1 , M2 ,M30 ,M60                For Stopping

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6 0
3 years ago
The driveshaft of an automobile is being designed to transmit 134 hp at 2900 rpm. Determine the minimum diameter d required for
Misha Larkins [42]

Answer:

The minimum diameter is 1.344 in

Explanation:

The angular speed of the driveshaft is equal to:

w=\frac{2\pi N}{60}

Where

N = rotational speed of the driveshaft = 2900 rpm

w=\frac{2\pi *2900}{60} =303.69rad/s

The torque in the driveshaft is equal to:

\tau=\frac{P}{w}

Where

P = power transmitted by the driveshaft = 134 hp = 73700 lb*ft/s

\tau=\frac{73700}{303.69}  =242.68lb*ft

The minimum diameter is equal to:

d_{min} =(\frac{16T}{\pi *\tau } )^{1/3}

Where

T = shear stress = 6100 psi

τ = 242.68 lb*ft = 2912.16 lb*in

d_{min} =(\frac{16*2912.16}{\pi *6100} )^{1/3} =1.344in

4 0
3 years ago
A current of 0.3 ampere flows through a 2-ohm resistor. At what rate does the resistor release heat?
beks73 [17]

Answer:

D. 018 W

Explanation:

Power = current × voltage

P = IV

From Ohm's law, voltage = current × resistance

V = IR

Therefore:

P = I²R

Given I = 0.3 A and R = 2 Ω:

P = (0.3 A)² (2 Ω)

P = 0.18 W

6 0
3 years ago
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