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Anna71 [15]
4 years ago
7

What the car velocity at the bottom of the first Hill ​

Physics
2 answers:
bonufazy [111]4 years ago
6 0

Answer:

umm u need to know more

Explanation:

julia-pushkina [17]4 years ago
5 0
Can you tell me more
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Mary and Jim find an unusual rock in their backyard. Which question about the rock cannot be answered through scientific investi
zysi [14]

Answer:

correct answer is 3(Is it the most unusual rock in the area)

Explanation:

Option 1:

During the formation of a rock some quantity of radioactive elements mixed with it. By measuring the quantity of this radioactive element scientist can determine the age of the rock which is known as absolute age.

option 2:

Throgh scientific investigation scientist can determine the types of minerals which make up the rock

option 3:

Through scientific investigation scientist cannot determine whether the rock is the most unusual or not. It can be determine by just looking all the rock in the area.

Option 4

Through scientific investigation the weight of the rock can be determine and it can be determine whether it is the heaviest rock in the backyard.

9 0
3 years ago
Read 2 more answers
PLZ HELP!!WILL MARK THE BRAINLIEST!!The diagram shows a chromosome pair for an offspring.Which best describes the inheritance of
Dmitrij [34]

Answer:

The offspring is homozygous for eye color

Explanation: I had this question on my test and this was the answer, i hope this helps :)

6 0
3 years ago
Read 2 more answers
Please send help my way. 10 points to the brainliest
antoniya [11.8K]
The possible units for impulse would be:
<span>(N. s)
</span><span>(kg. m/s)</span>

4 0
4 years ago
The CERN particle accelerator is circular with a circumference of 7.0 km.
Contact [7]

Answer:

a_c=2.0196\times 10^{13}\ m/s^2

F=3.37273\times 10^{-14}\ N

Explanation:

m = Mass of proton = 1.67\times 10^{-27}\ kg

v = Speed of proton = 0.5c = 0.5\times 3\times 10^8=1.5\times 10^8\ m/s

Circumference of the colider is 7 km

P=2\pi r\\\Rightarrow r=\frac{P}{2\pi}\\\Rightarrow r=\frac{7000}{2\pi}\ m

a_c=\frac{v^2}{r}\\\Rightarrow a_c=\frac{\left(1.5\times 10^8\right)^2}{\frac{7000}{2\pi}}\\\Rightarrow a_c=2.0196\times 10^{13}\ m/s^2

Centripetal acceleration is 2.0196\times 10^{13}\ m/s^2

F_c=ma_c\\\Rightarrow F_c=1.67\times 10^{-27}\times 2.0196\times 10^{13}\\\Rightarrow F=3.37273\times 10^{-14}\ N

Force on protons is 3.37273\times 10^{-14}\ N

8 0
4 years ago
In the chemical equation above, the small number after the O in 1202 represent —
Murrr4er [49]

Answer:

G.) The number atoms of that element in the molecule

Explanation:

F is incorrect because the coefficient represents the amount of one type of molecule, not the subscript

G is correct because subscripts represent how many atoms of that element are present in that single molecule

H is incorrect because energy is not represented in this simple type of equation

J is incorrect because it doesn't even make sense

7 0
3 years ago
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