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Anastasy [175]
3 years ago
15

A river flows due east with a speed of 3.00 m/s relative to earth. The river is 80.0 m wide. A woman starts at the southern bank

and steers a motorboat across the river; her velocity relative to the water is 5.00 m/s due north. How far east of her starting point will she reach the opposite bank?
Physics
1 answer:
babymother [125]3 years ago
4 0

Answer:

48 m

Explanation:

As she travels at the rate of 5m/s due north, the amount of time it would take for her to cross the 80m wide river would be

t = 80 / 5 = 16 seconds

This is also the time it takes for the river to push her to the east side at the rate of 3m/s. So after 16 seconds, she would reach the opposite point at a horizontal distance from her starting of

s = 16*3 = 48 m

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Answer:

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since, size(R) of the star is reduced by factor of 10,000 and mass remains the same, the velocity must increase by the same factor to keep the angular momentum conserved.

Hence, a. the core will spin faster.

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Ostrovityanka [42]

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true

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3 0
3 years ago
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SashulF [63]
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3 years ago
A 9.0-V battery (with nonzero resistance) and switch are connected in series across the primary coil of a transformer. The secon
qwelly [4]

Answer:

N₂ / N₁ = 13.3

Explanation:

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s good clarify that in transformers the voltage must be alternating (AC)

3 0
3 years ago
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Drupady [299]

Answer:

Explanation:

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thus R=k \frac{L}{d^2}

where k=constant of Variation

6 0
3 years ago
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