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svetlana [45]
3 years ago
6

Distance v. Time

Physics
1 answer:
Allushta [10]3 years ago
3 0

Answer:

4

(m)

2 ( s )

Explanation:

ok...........

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Explain why it is easier to climba mountain on a zigzag path rather than one straight up the side. Is your increase in gravitati
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it is easier in zig zag because youll fell less tired and feel more energetic and it will will feel as if it were shorter to go zig zag

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In a bicycle race on a straight road, the leader is 72.0 m from the finish line and continues to travel to the finish line with
dem82 [27]

Try this solution, answers are marked with red colour.

8 0
3 years ago
A pump uses a piston of 15 cm diameter that moves at 2.0 cm/s as it pushes a fluid through a pipe. what is the speed of the flui
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The important point here is that volumetric flow rate in the pump and the pipe is the same.

Q = AV, where Q = Volumetric flow  rate, A = Cross sectional area, V = velocity

Q (pump) = (π*15^2)/4*2 = 353.43 cm^3/s
Q (pipe) = (π*(3/10)^2)/4*V = 0.071V

Q (pump) = Q (pipe)
0.071V = 353.43 => V = 5000 cm/s

Therefore, the flow  of water in the pipe is 5000 cm/s.
4 0
3 years ago
Certain rifles can fire a bullet with a speed of 950 m/s just as it leaves the muzzle (this speed is called the muzzle velocity)
TiliK225 [7]

Answer:

a) By v^2 = u^2 + 2as => a= 70291.70.

(b)By v = u + at => t= 1.58 ms.

(c)By v^2 = u^2 - 2gh => H = 46045.92 m.

Explanation:

a) By v^2 = u^2 + 2as

(950)^2 = 0 + 2 \times a \times 0.75\\a = 601666.67 m/s^2\\a/g = 688858.70/9.8 = 70291.70

(b)By v = u + at

950 = 0 + 601666.67 \times t\\t = 1.58 x 10^-3 sec = 1.58 ms

(c)By v^2 = u^2 - 2gh

0 = (950)^2 - 2 \times9.8 \times H\\H = 46045.92 m

4 0
2 years ago
How should parents raise their intersex children: as girls, boys or intersex?
Mice21 [21]
I believe to create a society that is without judgment, children of all sex should be raised the same.
6 0
3 years ago
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