4 years ago

How has india's need to develop more industry ended up creating problems along the ganges river?

1 answer:

5 0

Because industries near the Ganges river discharged their industrial wastes in the river ganges which polluted the river Ganga or ganges.

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VashaNatasha [74]

The answer to the question is A

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3 years ago

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Which step of the scientific methood do you perform after you state the problem

marshall27 [118]

After stating the problem, we form a hypothesis, or an explanation that can be tested.

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3 years ago

An exoplanet is in an elliptical orbit around a distant star. At its closest approach, the exoplanet is 0.540 AU from the star a

atroni [7]

Answer:

0.71121 km/s

Explanation:

$v_1$ = Velocity of planet initially = 54 km/s

$r_1$ = Distance from star = 0.54 AU

$v_2$ = Final velocity of planet

$r_2$ = Final distance from star = 41 AU

As the angular momentum of the system is conserved

$mv_1r_1=mv_2r_2\\\Rightarrow v_1r_1=v_2r_2\\\Rightarrow v_2=\frac{v_1r_1}{r_2}\\\Rightarrow v_2=\frac{54\times 0.54}{41}\\\Rightarrow v_2=0.71121\ km/s$

When the exoplanet is at its farthest distance from the star the speed is 0.71121 km/s.

7 0

3 years ago

(a) If your speedometer has an uncertainty of 2.0km/h at a speed of 90km/h, what is the percent uncertainty? (b) If it has the s

Airida [17]

Answer:

a) 2.22 %

b) Range would be 60±1.998 km/h

Explanation:

Percentage uncertainty indicates the error of a reading. With the percentage uncertainty error for a measurement can be calculated.

a) Percentage uncertainty would be

$2\times \frac{100}{90}=2.22%$

Percent uncertainty is 2.22%

b) For 60 km/h error would be

$\frac{2.22}{100}\times 90=1.998$

Range would be 60±1.998 km/h

6 0

4 years ago

Two objects of the same radius start from rest and roll without slipping down a ramp. The objects are a hollow cylinder and a so

Westkost [7]

Answer:

Solid cylinder

Explanation:

because hollow may blow and just bounce

8 0

3 years ago