3 years ago

A car travels north for 20 km. The car then travels south for 35 km.

1 answer:

8 0

Answer: -15 km

Explanation:

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ad-work [718]

Answer :

The wavelength would be 410 m/s

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3 years ago

sammy [17]

Answer:

-1

Explanation:

Electrons have a negative charge and protons have a positive charge. (+11) + (-12) = -1

5 0

3 years ago

vladimir1956 [14]

20% would be probably right cuz 100% is total and 80+ what gives u 100 which is 20

4 0

3 years ago

Tamiku [17]

It would be D) the rope is pulled to the right. This is because their is a greater force in that direction.

8 0

3 years ago

777dan777 [17]

Answer:

330 m/s approx

Explanation:

The RMS speed of a gas is proportional to square root of its absolute temperature is

V ( RMS ) ∝ √T

$\frac{V_1}{V_2} =\sqrt{\frac{T_1}{T_2} }$

Here V₁ = 200 , T₁ = 23 +273 = 300K , T₂ = 227 +273 = 500 K

Putting the values

200 / V₂ = $\sqrt{\frac{300}{500} }$

V₂ = 330 m/s approx

8 0

3 years ago