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Kamila [148]
3 years ago
11

QUESTION 45

Physics
1 answer:
Olin [163]3 years ago
3 0
I do not know if it is correct but I think it is between B or C
You might be interested in
PLS HELP ME
daser333 [38]

Answer:

B. Liquids

Explanation:

Just had this question on my test.

Hope this helps :)

6 0
3 years ago
Read 2 more answers
A small space probe of mass 170 kg is launched from a spacecraft near Mars. It travels toward the surface of Mars, where it will
alukav5142 [94]

Answer:

The change  in momentum is  \Delta p =   kg \cdot m/s      

Explanation:

From the question we are told that  

       The mass of the probe is  m = 170 kg

       The location of the prob at time t = 22.9 s is  A  =

       The  momentum at time  t = 22.9 s is  p = < 51000, -7000, 0> kg m/s

        The net force on the probe is  F =  N

Generally the change in momentum is mathematically represented as

              \Delta p = F * \Delta t

The initial time is   22.6 s

 The final time  is  22.9 s

             Substituting values  

           \Delta p =  * (22.9 - 22.6)

            \Delta p =  * (0.3)  

              \Delta p =   kg \cdot m/s        

 

6 0
3 years ago
Consider an electron within the 1s orbital of a hydrogen atom. the normalized probability of finding the electron within a spher
I am Lyosha [343]
Thank you for posting your question here at brainly. I think your question is incomplete. Below is the complete question, it can be found elsewhere:

What is the probability of finding an electron within one Bohr radius of the nucleus?<span>Consider an electron within the 1s orbital of a hydrogen atom. The normalized probability of finding the electron within a sphere of a radius R centered at the nucleus is given by 1-a0^2[a0^2-e^(-2R/a0)(a0^2+2a0R+2R2)]. Where a0 is the Bohr radius (for a hydrogen atom, a0 = 0.529 Å.). What is the probability of finding an electron within one Bohr radius of the nucleus? What is the probability of finding an electron of the hydrogen atom within a 2.30a0 radius of the hydrogen nucleus?

Below is the answer:

</span><span>you plug the values for A0 and R into your formula</span>
4 0
3 years ago
Read 2 more answers
Which of the following occurs when light is reflected from a rough or unpolished surface
valentinak56 [21]
It gets blurred and you can't see the light very well.
6 0
3 years ago
A boat is traveling upstream at 14 km/h with respect to the water of a river. The water itself is flowing at 9 km/h with respect
kirill [66]

Answer:

16.64 km/h

Explanation:

Think of the x and y components as the a and b sides of a triangle and simply do the Pythagorean Theorem:

a^2+b^2=c^2

14^2+9^2=c^2

\sqrt{196+81}=c

\sqrt{277}=c

16.64 km/h

6 0
3 years ago
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