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earnstyle [38]
2 years ago
9

A box is initially at rest on a horizontal, frictionless table. If a force of 10

Physics
1 answer:
lukranit [14]2 years ago
8 0

Answer: 18

Explanation:

i think

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Which is the luminous object?
Sedbober [7]
The sun, fire and lamp because they generate their own light.
5 0
2 years ago
If there are 50 grams of U-238 on day zero of radioactive decay, how much will there be after 4.5 billion years
snow_lady [41]
We use the formula of the half-life to calculate for the remaining U-238 after 4.5 billion years. The formula is expressed as A = A₀ (1/2)^(t/h) where A is the final amount, A₀ is the initial amount of the substance, t is the time and h is the half-life of the substance wherein for U-238 h is equal to 4.47 billion years.

<span>A = A₀ (1/2)^(t/h)
</span>A = 50 (1/2)^(4.5 / 4.47)
A = 24.88 g
4 0
3 years ago
Read 2 more answers
Two blocks of masses 1.0 kg and 2.0 kg, respectively, are pushed by a constant applied force F across a horizontal frictionless
BaLLatris [955]

Answer:

1.0 m/s^2

Explanation: happy to help :)

6 0
2 years ago
HELP!!
raketka [301]
Hello!

Since the two weights are <em>off</em> the table, the block will move towards letter F. 

I hope this helps :))
5 0
3 years ago
Read 2 more answers
Why would you expect the speed of light to be slightly less in the atmosphere then in a vacuum?
azamat

The speed of light to be slightly less in atmosphere then in vacuum because of absorption and re-emission of light by the atmospheric molecules occurred when light travels through a material

<u>Explanation:</u>

When light passes through atmosphere, it interacts or transmits through the transparent molecules in atmosphere. In this process of transmission through atmosphere, the light will be getting absorbed by them and some will get re-emitted or refracted depending upon wavelength.

But in vacuum the absence of any kind of particles will lead to no interaction and no energy loss, thus the speed of the light will be same in vacuum while due to interactions with molecules of atmosphere, there speed will be slightly less compared to in vacuum.

7 0
3 years ago
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