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Tems11 [23]
3 years ago
5

If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object

? A. 33 m/s B. 5.42 m/s C. 2.75 m/s D. 13.58 m/s
Physics
1 answer:
nadezda [96]3 years ago
5 0

Answer:

C. 2.75

Explanation:

acceleration = (v2 - v1) /t

(98 - 65) / 12 =2.75

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marusya05 [52]

The correct answer is B, electrons emit and absorb energy based on their position around the nucleus.

8 0
3 years ago
A bicycle pump contains 200 cm3 of air and is connected to a bicycle tyre. The volume of the tyre is 800 cm3. The pressure of th
Aleksandr [31]

Answer:

The total volume of the air is 1000 cubic centimeters.

Explanation:

Since the bicycle pump and the bicycle tyre have the same pressure, then the total volume of the air is the sum of the volume of each element, then we translate this into the following artihmetical expression:

V = 200\,cm^{3}+800\,cm^{3}

V = 1000\,cm^{3}

The total volume of the air is 1000 cubic centimeters.

7 0
3 years ago
The strength of the electric field at a certain distance from a point charge is represented by E. What is the strength of the el
Nana76 [90]

Answer:

E

Explanation:

Using Coulomb's law equation

Force of the charge = k qQ /d²

and E = F/ q

substitute for F

E = ( K Qq/ d² ) / q

q cancel q

E = KQ / d²

so twice  the distance of the from the point charge will lead to the E ( electric field ) decrease by a 4 = E/4. E is inversely proportional to d²

7 0
3 years ago
Every motor vehicle registered in a foreign jurisdiction and every motorcycle registered in this state must be equipped with a m
xenn [34]

Answer:

200 feet

Explanation:

According to my research on the studies conducted by motor vehicles safety professionals, It is said that based on the information provided within the question the driver needs a mirror in which he/she is able to view the roadway 200 feet to the rear of the vehicle. This is a safety precaution which allows the driver a broader environmental awareness leading to less accidents.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0
2 years ago
What can subatomic particles be broken down into?
AfilCa [17]
Subatomic particles cannot be broken down any further
5 0
3 years ago
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