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uysha [10]
4 years ago
11

A solution that has a high concentration of hydrogen ions has what type of pH?

Physics
2 answers:
melomori [17]4 years ago
8 0
Guys Its A 2 because I already took the test
Andrew [12]4 years ago
7 0
I believe it’s c:13 is the answer
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a basketball is tossed upwards with a speed of 5.0 m/s What is the maximum height reached by the basketball from its release poi
den301095 [7]

Answer:

1.275 m

Explanation:

Let the maximum height reached be h.

Here initial velocity, u = 5 m/s

Final velocity, V = 0

Use third equation of motion

V^2 = u^2 + 2 g h

0 = 25 - 2 × 9.8 × h

h = 25/19.6 = 1.275 m

3 0
4 years ago
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A 185 g block is pressed against a spring of force constant 1.60 kN/m until the block compresses the spring 10.0 cm. The spring
denis-greek [22]

Answer:

d = 5.10 m

Explanation:

As we know that here on the plane of the inclined there is no frictional force

So in these cases we can say that total mechanical energy will always remains conserved

so here we can say that

spring potential energy = gravitational potential energy of the block

as we know from the formula

\frac{1}{2}kx^2 = mgh

now plug in the values in it

\frac{1}{2}(1.60 \times 10^3)(0.10)^2 = (0.185)(9.81)h

8 = 1.81 h

h = 4.42 m

now as we know that the angle of inclination is 60 degree and height raised is 4.42 m

so here maximum distance moved along the inclined plane will be

\frac{h}{d} = sin60

d = \frac{h}{sin60}

d = \frac{4.42}{sin60} = 5.10 m

6 0
3 years ago
3. A dog walks a distance of 100 ft. in 20 s of time. What is the dog's
natta225 [31]
The answer is A.
100/20=5
8 0
3 years ago
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Explain the flow of energy in the food chain and why stored energy is an important part of it.
sdas [7]

The energy flow in the ecosystem is important to maintain an ecological balance. The producers synthesis food by the process of photosynthesis. A part of the energy is stored within the plants. The remaining energy is utilized by the plants in their growth and development.

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2 years ago
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Melting ice caps can result in _____.
IceJOKER [234]

Melting of ice caps ... causing them to shrink in coverage .. can result in ...

-- wet ground

-- more farming opportunities, but less skiing

-- higher sea level

-- coastal flooding

-- extinction of plant and animal species

-- more icebergs floating around

-- lower average albedo, higher solar absorption, widespread warming

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3 years ago
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