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1 year ago

Define Drift velocity

1 answer:

5 0

A drift velocity in physics is the average speed that charged particles—like electrons—achieve within a material as a result of an electric field. An electron will typically move randomly across a conductor at the Fermi velocity, producing an average velocity of zero. Applying an electric field causes a little net flow in one direction to be added to this random motion; this is the drift.

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How much time does it take a trucker to deliver his shipment 480 km away travelling at an average speed of 120 km/hr?

kifflom [539]

Answer: time=4 hours

Explanation:

formula:

speed = $\frac{distance}{time}$

time = $\frac{distance}{speed}$

time= x

speed = 120km/hr

distance = 480 km

x = $\frac{480 km}{120km/hr\\}$

= $\frac{48km*hr}{12km}$

cut the zeros

and remove the signs

then

$\frac{48}{12}$ = 4

therefore, time taken to deliver the shipment by trucker is 4 hours

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2 years ago

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alexandr1967 [171]

Answer:

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Explanation:

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Maslow's given a Hierarchy of Needs and the second tier of this Hierarchy is safety.

So the answer of the given question is safety.

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3 years ago

A cyclist travels at 15 m/s during a sprint finish. What is this speed in km/h

g100num [7]

Answer:

54 km/hr

Explanation:

m/s to km/hr => 18/5

15 m/s to km/hr => 15 x 18/5 =>3 x 18 => 54km/hr

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2 years ago

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SpyIntel [72]

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3 years ago

Define Drift velocity​

Define Drift velocity