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4 years ago

A ferry is travelling at 10 m/s relative to the river towards the south. The river is flowing at 2 m/s relative to

Physics

1 answer:

mixer [17]4 years ago

8 0

Answer:

11 m/s south

Explanation:

The velocity of the passenger relative to the river bank is equal to the velocity of the passenger relative to the ferry, plus the velocity of the ferry relative to the river, plus the velocity of the river relative to the river bank.

v_passenger,bank = v_passenger,ferry + v_ferry,river + v_river,bank

If we take north to be positive and south to be negative:

v = 1.0 m/s + (-10 m/s) + (-2 m/s)

v = -11 m/s

v = 11 m/s south

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Which of the following is true of children with chronic illness? a.) They are all eligible to recievie special education service

ss7ja [257]

Answer:

c.) Their eligibility for social education services depends on whether their conditions adversely affect their educational functioning.

Explanation:

Chronic Illness is a human health condition in which a particular (or number of) illness is persistent in the body and the effects on the body are long-lasting and are often resistant to treatment. The word chronic is usually used when the disease/illness/sickness and its effects stay in the body for more than three months.

The likeliest answer from the options given is option C because before social education services are given, it has to be decided if their health condition adversely affects their education.

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3 years ago

Why does a paper clip sink and a big ocean liner float? explain your answer.

slamgirl [31]

<span>Because of the density of the paperclip it sinks, but even though a boat is normally made of steal it contains an opposite force of gravity known as buoyancy. Buoyancy is the reason that a boat will float. Boat density is less weight than the water they are in so this is one reason that they are floaters.</span>

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4 years ago

What is the definition of a volt?

tatiyna

The standard unit of potential difference and electromotive force in the International System of Units(SI), formally defined to be the difference of electric potential between two points of a conductor carrying a constant current of one ampere, when the power dissipated between these points is equal to one watt.

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3 years ago

What local group of galaxies is the Milky Way part of?

Karo-lina-s [1.5K]

The local group of galaxies which the Milky Way belong to is the Virgo Supercluster. C

<h3>What are Virgo Supercluster?</h3>

The Virgo Supercluster as known as the Local Supercluster is a mass concentration of galaxies that contains the Virgo Cluster and Local Group which in turn contains the Milky Way and Andromeda galaxies, as a host as others galaxies.

Therefore, the local group of galaxies which the Milky Way belong to is the Virgo Supercluster.

Learn more about Milky Way here:

brainly.com/question/1241789

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5 0

2 years ago

An object executes simple harmonic motion with an amplitude A. (Use any variable or symbol stated above as necessary.) (a) At wh

valentina_108 [34]

Answer:

(a) x=ASin(ωt+Ф₀)=±(√3)A/2

(b) x=±(√2)A/2

Explanation:

For part (a)

V=AωCos(ωt+Ф₀)⇒±0.5Aω=AωCos(ωt+Ф₀)

Cos(ωt+Ф₀)=±0.5⇒ωt+Ф₀=π/3,2π/3,4π/3,5π/3

x=ASin(ωt+Ф₀)=±(√3)A/2

For part(b)

U=0.5E and U+K=E→K=0.5E

E=K(Max)

(1/2)mv²=(0.5)(1/2)m(Vmax)²

V=±(√2)Vmax/2→ωt+Ф₀=π/4,3π/4,7π/4

x=±(√2)A/2

7 0

3 years ago