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Karolina [17]
4 years ago
11

Which segment of the graph represents constant speed? Explain your answer.

Physics
1 answer:
taurus [48]4 years ago
7 0

D is the answer

in V-t graph, tan α= velocity/time=acceleration

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Help pls!
Yuki888 [10]

A series circuit is a closed circuit in whicj the current flows through one path.

8 0
3 years ago
Show steps on how to choose repeating variables in Buckingham Pi Theorem.
svlad2 [7]
Buckingham π theorem states that an equation involving a certain number 'n' of variables which are expressible in terms of 'k' independent fundamental physical quantities can be expressed in terms of dimensionless parameters.<span>
p = n - k 
Keeping the statement of </span><span>Buckingham Pi Theorem,
We can proceed as follows:
Please see the attachments.I hope it helped

</span>

8 0
3 years ago
A car is driven at constant speed over a circular hill and then into a circular valley with the same radius. At the top of the h
VashaNatasha [74]

Answer:

therefore normal reaction on the driver from the seat when the car passes through the bottom of the valley= 1520.55 N

Explanation:

let speed be v

at top of hill

mg-N = mv^2/R   ( N=0 at the top of the hill)

==> mg=mv^2/R

at bottom

N-mg=mv^2/R

therefore,

N = 2mg = 2*77.8*9.81= 1520.55 N

therefore normal reaction on the driver from the seat when the car passes through the bottom of the valley= 1520.55 N

7 0
3 years ago
draw conclusions on the relative densities of liquid water and ice . which is more dense and how do you know . what non-mathemat
adoni [48]
Well ice would be less dense, as water freezes it expands which would reduce density and you can tell just by putting ice cubes in water
7 0
4 years ago
The moon has an acceleration due to gravity of -1.6 meters per second. A 1,100-kilogram space rover travels on its surface at 3.
kotykmax [81]

Answer:

The answer is -6.4

Explanation:      

4 0
3 years ago
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