Why can you just change the code on a number lock?

Physics

2 answers:

jasenka [17]2 years ago

7 0

Answer:

because it has fingers

Explanation:

dimulka [17.4K]2 years ago

5 0

Answer:

Not that I know of. You might be able to but I don't think so.

Explanation:

Did you lose the code? If so, just go to your local locksmith.

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A cannonball is fired horizontally from the top of a cliff. the cannon is at height h = 80.0 m above ground level, and the ball

SOVA2 [1]

Answer;

= 60 m

Explanation;

s = 80 m

= ½at² = ½ * 9.8m/s² * t² → t = 4.04 s

At any time 0 ≤ t ≤ 4.04 s, height is

y = Yo + ½at² = 80 m - 4.9m/s² * t²

so at t = 4.04s/2 = 2.02 s,

y = 80 m - 4.9m/s² * (2.02s)² = 60 m

(so it drops 15 m during the first 2.02 s and 60 m during the second 2.02 s)

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3 years ago

How fast is a cat that runs 50 meters in 10 seconds?

saw5 [17]

Answer:

50 m in 10 sec….divide 50 by 10 to convert to metres per second = 5 m/s. Then multiply by 3.6 (3600 seconds in an hour divided by 1000) to convert to kilometres per hour =18 m/s. To convert to mph divide by 1.609 =11.18 mph.

Explanation:

5 0

3 years ago

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You get pulled over for running a red light. You explain to the police officer that the light appeared green to you due to the D

Ludmilka [50]

Answer:

$ 3085713685.71

Explanation:

$\lambda_0$ = Actual wavelength = 700 nm

$\lambda$ = Changed wavelength = 500 nm

Let the wavelength of red color be 700 nm and green be 500 nm

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$\Delta \lambda=700-500\\\Rightarrow \theta\lambda=200\ nm$

We have the relation

$\dfrac{\Delta\lambda}{\lambda_0}=\dfrac{v}{c}\\\Rightarrow v=\dfrac{\Delta\lambda}{\lambda_0}c\\\Rightarrow v=\dfrac{200}{700}\times 3\times 10^8\\\Rightarrow v=85714285.7143\ m/s$