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zheka24 [161]
3 years ago
7

A cannonball is shot up in the air with a vertical speed of 24 miles what is the cannon balls vertical speed just before it hits

the ground?
Physics
1 answer:
meriva3 years ago
8 0

Answer:

I think it will back towards the earth because earth gravitional field will attract to Wards

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43. The particle consists of fast moving electrons is.​
marishachu [46]

Answer:

Explanation: someone help me please you want free points right

8 0
3 years ago
ppose that you hold a vibrating 340 Hz tuning fork near a guitar string that is vibrating at 350 Hz. What you hear is?
galben [10]

Answer:

A beat with the frequency of 10Hz.

Explanation:

The frequencies from the tuning fork and guitar will cancel each other.

The frequency of tuning fork = 340Hz

The frequency of guitar string= 350Hz

The offset = 350Hz - 340Hz = 10Hz

A 10Hz frequency sound is still heard.

3 0
3 years ago
A microstate is a state of a physical system described at the finest level of detail. A macrostate is a state of a physical syst
podryga [215]

Answer:

a. A list of the names of each student present today. (microstate)

b. The number of students in attendance. (macrostate)

Explanation:

You can fins the answer to this question by comparing the situation of the problem with a system of molecules with discrete energy.

Without importance of which molecules have a specific energy, but rather, what is the total amount of energy, you can get for different configurations of energy the same amount of the total energy. If different configurations of the energies of the molecules give you the same total energy of the system, you say that the macrostate is the same. In the case of the classroom, it does not matter how are distributed the students in the class, the total number of students is always the same. The macrostate is the same for what ever organization of the students in the class.

If you would interested in the energy of each molecules, you will obtain different configurations. In the case of the classroom. The names of the student will define a microstate because in this case there are many configurations.

a. A list of the names of each student present today. (microstate)

b. The number of students in attendance. (macrostate)

6 0
3 years ago
PLEASE HELP i’m giving 32 points!!
meriva

Answer: 1 How many grams of KCl will dissolve in 1 liter of H2O at 50 °C? 5. 58.0 g of K2Cr2O7 is added to 100 g H2O at. 0 °C. With constant stirring, to what temp-.                                                                                                                                     2  34 °C? 4. How many grams of KCl will dissolve in 1 liter of H2O at 50 °C? 5. 58.0 g of ... A saturated solution of KClO3 was made with 300 g of H2O at. 34 °C.

Explanation:

7 0
3 years ago
Read 2 more answers
If the electric charge on the object is tripled while its mass remains the same, find the direction and magnitude of its acceler
maksim [4K]
F = qE = mg

E = mg/q = 0.017*9.81('-3.1x10^-6) = 5.38x10^4 = -53,800 N/C

E' = 0.5E = -26,900N/C 

 2q -mg= ma, Answer is 9.81 m/s^2  and it's positive because the force is upward.
8 0
3 years ago
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